Mcq on electrical resistance Click on the “embed” button to use this quiz on your website. Electrical accidents can lead to This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Types of Strain Gauges”. Download these Free Resistance and Resistivity MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Resistance temperature detector is ___________ a) a electrical transducer b) a mechanical transducer c) a chemical transducer d) a physical transducer 2. What is the power dissipated by an electric light filament of resistance 2. These components include two terminals which are used to divide the voltage, decrease the flow of current & regulate the level of signal level. The SI unit of resistance is ohms and is denoted by Ω. May 13, 2025 · Ohmic resistance: The resistance that follows ohm’s law is called ohmic resistance. . A resistance having rating 10 ohms, 10 W is likely to be a (A) Metallic resistor (B) Carbon resistor (C) Wire wound resistor (D) Variable resistor. The MCQs have been recently introduced in the exam pattern. So to achieve this, the material of the electrode should have higher electrical and thermal conductivities with sufficient strength to sustain high pressure at elevated temperatures. It is preferable to connect bulbs in series or in parallel? a) Series b) Parallel c) Both series and parallel d) Neither series nor parallel View Answer This set of Welding Multiple Choice Questions & Answers (MCQs) focuses on “Resistance Welding Methods”. ). Current passes through the Class 12 Physics MCQ – Energy Stored in a Capacitor ; Class 12 Physics MCQ – Current Electricity ; Class 12 Physics MCQ – Solenoid and Toroid ; Class 12 Physics MCQ – Ampere and Forces between Two Parallel Currents ; Class 12 Physics MCQ – Electrical Energy & Power ; Class 12 Physics MCQ – Particle Nature of Light : The Photon When the bias is reversed, current can pass through as there is very little resistance. m. Electrical Measurement MCQs on Measurement of Resistance. 40 had reached 3. 1 mV/cm, the resistance in the box is: 760Ω ; 260Ω ; 1060Ω ; 960Ω ; Click here for the answer May 12, 2025 · The most commonly used material for winding in wire wound resistors is a nickel-chromium alloy (such as Nichrome). Additional Learn Voltage, Current And Resistance MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Materials which easily allow the passage of electric current are known as ______ Q 47. Its main purpose is to oppose the current flow in order to protect the electrical or electronic circuits from breakdowns. Earthing brings the potential of the body of the equipment to ZERO i. Ohms law is not applicable for semiconductor and insulating substances. 12 D – As the temperature The resistance between the opposite faces of a 1-meter cube at a specified temperature. There is a current I in the circuit and a potential difference V across the fixed resistor. A potentiometer wire 10 m long has a resistance of 40Ω . Volt D. Click on the “Submit” button when done. The rate of flow of an electric charge is known as : (a) Electric potential (b)electric conductance (c)electric current (d)none of these Ans : (c) electric current 2. CBSE Class 10 Science MCQ Chapter 12 Electricity is available for free download in PDF for students to prepare well for the board exam. V = I × R. (II) If in an electric circuit, the resistance is halved the current gets doubled. Q 49. Answers are available at the bottom of the article. Electrical Engineering Multiple Choice Questions on Capacitance and Capacitors. 0039/°C. A voltmeter is used to find p. These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics . Answer: 3. 02․ The metal surfaces for electrical resistance welding must be A cell of e. Electrical Circuits and Internal Resistance (MCQ Only) This set of Class 12 Physics Chapter 3 Multiple Choice Questions & Answers (MCQs) focuses on “Electrical Energy & Power”. Voltage, Current, Resistance (Impedance) Explanation: The reader may select option 1, but do not forget that there is no concept of Option 1 ( Resistance, Capacitance , inductance ) without Option 3 ( Voltage, Current, Power ) Hence The basic Electrical Quantities are Voltage, Current and Power ( Option 3). The symbol used for representing Independent sources a) Diamond b) Square c) Circle d) Triangle View Answer Apr 2, 2025 · Resistance is a measure of the opposition to current flow in an electrical circuit. Electric resistance 1. 5 mm 2 and a total resistance of 0. So, to help students tackle MCQs on Electricity, we have provided a total of 29 questions from Chapter 12, Electricity. pdf), Text File (. (III) Variable resistance is a component used to regulate voltage without changing the current. For the circuit shown for Q. This alloy offers high electrical resistance, good thermal stability, corrosion resistance, and mechanical strength, making it ideal for resistor applications. Resistance of 100 meters of 1. Apr 1, 2022 · A resistor is designed with two terminals, available in different sizes, shapes, packages, and types depending on the application. If the potential gradient along the wire is 0. 2Ω is connected across a battery of 5 V using a wire of negotiable resistance. Low; High; Medium; The value of resistance of earth does not affect the safety At the end of Multiple Choice Questions, the answer key has also been provided for your reference. Oct 13, 2023 · From illuminating bulbs to powering supercomputers, the marvel of current electricity is at the heart of our modern existence. Interactive MCQs on “Resistor”:Solve the following 10 questions. A wire of length /, made of material resistivity ρ is cut into two equal parts. Page 1 of 114. Electronic Devices and Circuits MCQ on Semiconductor-Diode Characteristics. The resistance between two faces of a 1 mm2 block of that material at 20 °C. Apr 5, 2025 · Get Resistance and Resistivity Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. This heating element is connected to a thermostat, which is the primary component responsible for temperature control. Cl… MCQs on Electrical Resistance. In other words, ohms law is used for measuring the resistance value of the conducting component or a circuit. Which kind of resistance is experienced in upset butt welding? a) Electric resistance b) Magnetic resistance c) Thermal resistance d) Air resistance View Answer May 13, 2025 · Working Principle: The electric iron uses an electrical heating element, typically made of a high-resistance material such as nichrome, to convert electrical energy into heat. 16 Ù the approximate value of the temperature then is • a 18°C • b 22°C • c 26°C • d 30°C 1. 48 But shunt branch resistance R c in the induction motor equivalent circuit does not represent the no load losses, MCQs on Electrical Machines. - 1000+ Multiple Choice Questions & Answers (MCQs) in Electric Circuits with a detailed explanation of every question. 40 A copper conductor has a resistance of 3 Ù at 16 °C and a temperature coefficient of 0. 9 C – A filament bulb’s resistance increases as the temperature increases so the current drops. How are 500 Ω resistors connected so as to give an effective resistance of 750 Ω? This document provides over 50 multiple choice questions about electrical engineering concepts like current electricity, resistance, circuits, and conductors. All resistances don’t follow ohm’s law. But beyond its practical applications, the principles guiding the flow of electrons in a circuit are deeply rooted in the world of Physics. If the temperature is raised until the resistance is 3. 5 A; 0. 41 If the resistance of the conductor in Question 1. f ε and internal resistance r is connected across a fixed resistor of resistance R. This is because, the overall equivalent resistance of parallel combination is: R p = \(\frac {1}{R_1} + \frac {1}{R_2} + \frac {1}{R_3}\). The instrument used for measuring electric current is : (a)ammeter (b)galvanometer (c)voltmeter (d)potentiometer Ans… 2. 7. Oct 4, 2021 · This article lists 100 Electric Circuit MCQs for engineering students. 0 A; 0. 1. 6. and the terminal potential difference. If we change the temperature then the resistance of the conductor will change and that will change the relationship between current and potential This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Measurement of Earth Resistance”. If we change the temperature then the resistance of the conductor will change and that will change the relationship between current and potential (I) If in an electric circuit, the resistance is doubled the voltage also gets doubled. Answer: (b) Both (I) and (III) Explanation: According to Ohm’s law, V = IR. f. Its SI unit is Siemens. The fixed resistance has only one value and never changes (except through temperature, age, etc. - These MCQs cover theoretical concepts, true-false(T/F) statements, fill-in-the-blanks and match the following style statements. Ohm B. Electrical conductance (K) = 1/R Electrical resistance (R): The electrical resistance of a material refers to its opposition to the flow of current. 3. The value of resistance is measured in terms of ohms. The document contains multiple choice questions about electrical components like resistors, thermistors, and film resistors. Which of the given is the SI Unit of Electric Current? A. Free "Resistors and Resistance MCQ" App Download: Grade 10 Physics MCQs e-Book PDF to study high school online courses. May 8, 2025 · A variable resistor is a resistor of which the electric resistance value can be adjusted. EXPLANATION: Since ohm’s law is only valid for constant temperature. Download these Free Earthing MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. When the inverse of a resistance value is taken, the value obtained is lesser than the (c) The rheostat can only increase the resistance in electric circuit (d)The single key is used to switch on/off the electric circuit Ans : (c) The rheostat can only increase the resistance in electric circuit 11. 6, the current flowing through the circuit will be. to the earth’s potential, thus The Electrical resistance Multiple Choice Questions (MCQ Quiz) with Answers PDF (Electrical Resistance MCQ PDF e-Book) download to study Grade 7 Science Tests. Ampere C. What is earthing? a) connecting electrical machines to earth b) providing a connection to the ground c) connecting the electrical machines to source d) providing a source of current View Answer Jul 19, 2021 · The body of any electrical equipment is connected to the earth by means of a wire of negligible resistance to safely discharge electric energy, which may be due to failure of the insulation, or line coming in contact with the casing, etc. txt) or read online for free. 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The resistivity of the two parts are equal to, (a) ρ Jan 31, 2022 · This equation defines that whenever there is an increase in the value of resistance the value of voltage increases. e. V = voltage, I = current and R = resistance. It is connected in series with a resistance box and a 2 V storage cell. When the air-conditioner is operating, the power lost in the conductors will be: Mar 15, 2023 · 1. The supply to a 15A air-conditioning unit consists of copper conductors with a cross-sectional area of 2. Potentiometer, rheostat, and trimmer. Answer: Option A. 38 Ω. A 37 Notes on Resistors MCQ - Free download as Word Doc (. The SI unit of electric current is : (a)ohm (b)ampere (c)volt (d)faraday Ans :(b)ampere 3. 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Mar 19, 2025 · The correct answer is option 4):(Thermistors have negative temperature coefficient of resistance. 8. The section contains Electronic Devices and Circuits MCQs on pn junction qualitative theory, p-n junction diode, band structure of open circuited p-n junction, components in p-n junction diode, volt ampere characteristics, diode resistance and capacitances, pn diode switching times, breakdown and tunnel diodes Jul 5, 2023 · Electrical safety is of paramount importance in both residential and industrial settings due to the potential hazards associated with electricity. If in an alternating current circuit, resistance is 5 ohm, capacitive reactance is 12 ohm, what is the impedance? Combination of Resistors Recommended MCQs - 134 Questions Current Electricity Physics Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF Questions with answers, solutions, explanations, NCERT reference and difficulty level Sep 18, 2023 · An electric current is passed through a circuit containing two wires of the same material, connected in parallel. Learn Electric Circuits Multiple Choice Questions and Answers (MCQs), Electrical Resistance quiz answers PDF to learn online schools courses. This set of Basic Electrical Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Resistivity”. The questions cover topics such as Ohm's law, series and parallel circuits, properties of conductors and insulators, and electrical measurement instruments. The hindrance presented by material of conductor to the smooth passing of electric current is known as: A Save Chapter: Resistance and Resistivity Solved MCQs in A Level Physics. Ohms law is used in DC ammeter, DC shunt devices Learn Resistors and Resistance MCQ Questions Answers PDF for online education. Feb 5, 2022 · 36 Ω; 12 Ω; 4 Ω; 6 Ω; Answer: 6 Ω Q. )Concept: Transducers are devices that convert one form of energy (an input signal—usually physical, like motion) to another (an output signal—usually electrical). Click here for the This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Resistance Temperature Detector”. If the lengths and radii of the wires are in the ratio of 4/3 and 2/3, then the ratio of the currents passing through the wire will be Nov 6, 2023 · Students can solve NCERT Class 10 Science Electricity Multiple Choice Questions with Answers to know their preparation level. For enthusiasts, students, or just the eternally curious, here's a quiz to charge up your knowledge. 5 mm2 copper cable at a specified temperature. 75 A; Answer: 1. Take Free Online MCQs Test For Class 10. 0 A Q. Answers are provided for self-testing purposes. 10 A – 1/R 11 B – Fixed resistors are used to control the current in a circuit so that appliances receive the correct current. 0 watts . The term 'lost volts' refers to the difference between the e. Q 48. Electricity Class 10 MCQ Question 1. Explanation: Yes, the equivalent overall resistance is smaller than the smallest resistor connected in parallel. From the point of view of safety, the resistance of the earthing electrode should be. Fixed resistance: It is a type of resistance that cannot change its value. 4 days ago · Electrical conductance (K): The reciprocal of electrical resistance is called conductance. What power was dissipated in the lamp? Question 72 . doc / . Electricity can be dangerous if not handled properly. d. In a DC circuit, the behavior of the components is governed by Ohm's Law, which states that the current flowing through a resistor is directly proportional to the voltage across it and inversely proportional to its resistance. Answer: Option C . The resistance of a few meters of wire conductor in closed electrical circuit is (A) Practically zero (B) Low (C) High (D) Very high. This set of Basic Electrical Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Resistance and Capacitance in Series”. Learn Factors affecting Resistance MCQ with Answers PDF: Resistance and length of wire are; for virtual online school. in any electrical circuit which of the statement given below is true : Study Factors affecting Resistance MCQ Questions Answers PDF for online education. Only one option is correct. Ohms are named after Georg Simon Ohm (1784-1854), a German physicist who studied the relationship between voltage, current, and resistance. It involves the implementation of practices, guidelines, and precautions to minimize the risk of electrical accidents, injuries, fires, and even fatalities. It is a measure of how easily current can flow through a material. The section contains Electrical Measurement multiple choice questions and answers on bridges basics, bridge circuits advantages, wheatstone bridge balance condition and sensitivity, wheatstone bridge applications, limitations and measurement errors, kelvin bridge, earth resistance measurement, merger and its applications, advanced 3. These MCQs assess knowledge of current electricity principles, circuit analysis techniques, and electrical measurements. The resistor works on the principle of Ohms law. Voltage, Current And Resistance MCQ question is the important chapter for a Electrical Engineering and GATE students. Free "Factors affecting Resistance" App Download: Grade 10 Physics MCQ e-Book PDF to study high school online courses. Jun 14, 2023 · In a DC circuit, the voltage sources provide a constant voltage, and the components, such as resistors, capacitors, and inductors, behave in a steady state. B. What is the resistance of the lamp filament? Question 70 . Relation between temperature and resistance of a conductor is ________ a) Rt Answer: 3. Hence, the correct option is 1. 1:5 A; 1. An electric circuit is a loop containing electric components that interact with each other to drive the output load connected. Ques 1. What quantity of electricity passed through the lamp? Question 71 . Apr 19, 2025 · Voltage = Current × Resistance. - These MCQs also cover numericals as well as diagram oriented MCQs. It an element follows the ohm’s law, then the element is known as a linear element. docx), PDF File (. Electricity Class 10 MCQ. Resistance is measured in ohms, symbolized by the Greek letter omega (Ω). 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