Current Electricity MCQs with Answers

adminJune 10, 2024

0 2 1 minute read

Welcome to the Current Electricity MCQs with Answers. In this post, we have shared Current Electricity Online Test for different competitive exams. Find practice Current Electricity Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Current Electricity.

Current Electricity Online Quiz

By presenting 3 options to choose from, Current Electricity Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Current Electricity Questions and Answers and click over the correct answer.

Test Name: Current Electricity MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Current Electricity

Please fill out the form before starting Quiz.

1 / 40

The flow of electric charge that does not change direction is called ____________ current.

Continuous

Alternating

Direct

2 / 40

____________ law states that the current passing through a conductor is directly proportional to the voltage across it, given constant temperature.

Kirchhoff's

Ohm's

Faraday's

3 / 40

The reciprocal of resistance is ____________.

Conductance

Inductance

Capacitance

4 / 40

The electrical resistance of a wire ____________ as its length increases.

Decreases

Remains the same

Increases

5 / 40

The total resistance of resistors in series is ____________.

More than the largest individual resistance

Equal to the sum of individual resistances

Less than the smallest individual resistance

6 / 40

The electrical resistance of a wire ____________ as its cross-sectional area increases.

Decreases

Increases

Remains the same

7 / 40

A material with zero electrical resistance at very low temperatures is called a ____________.

Superconductor

Semiconductor

Insulator

8 / 40

The SI unit of electric current is ____________.

Ampere

Ohm

Volt

9 / 40

A component that allows the flow of current in one direction only is called a ____________.

Diode

Resistor

Capacitor

10 / 40

The unit of electrical energy consumed over time is ____________.

Kilowatt-hour

Watt-hour

Joule

11 / 40

The SI unit of electrical power is ____________.

Ampere

Watt

Volt

12 / 40

The flow of electric charge that changes direction periodically is called ____________ current.

Direct

Alternating

Continuous

13 / 40

The unit of electrical resistance is ____________.

Ohm

Volt

Ampere

14 / 40

The potential difference across a resistor with a resistance of 10 ohms and a current of 2 amperes is ____________.

0.2 volts

5 volts

20 volts

15 / 40

A resistor with a resistance of 100 ohms is connected in series with another resistor of 200 ohms. The total resistance is ____________.

300 ohms

100 ohms

150 ohms

16 / 40

A material with high conductivity and low resistivity is called a _____________.

Insulator

Conductor

Semiconductor

17 / 40

The electrical resistance of a conductor ____________ as its temperature increases.

Increases

Decreases

Remains constant

18 / 40

The device used to change the voltage of alternating current is called a ____________.

Inductor

Transformer

Capacitor

19 / 40

In a series circuit, the total resistance is ____________.

Product of individual resistances

Difference of individual resistances

Sum of individual resistances

20 / 40

The device used to measure electrical potential difference is called a ____________.

Ammeter

Galvanometer

Voltmeter

21 / 40

____________ is the potential difference between two points in a circuit.

Resistance

Current

Voltage

22 / 40

The electrical resistance of a wire depends on its ____________.

Material and temperature

Length, cross-sectional area, and material

Length and material

23 / 40

A device that opposes the flow of electric current is called a ____________.

Inductor

Resistor

Capacitor

24 / 40

The total resistance of resistors in parallel is ____________.

Less than the smallest individual resistance

More than the largest individual resistance

Equal to the sum of individual resistances

25 / 40

The rate at which electric energy is consumed in an electric circuit is measured in ____________.

Amperes

Volts

Watts

26 / 40

In a series circuit, the current through each component is ____________.

Zero

Same

Different

27 / 40

The current that flows through a resistor is ____________ proportional to the voltage across it, according to Ohm's law.

Inversely

Directly

Not

28 / 40

The symbol 'I' is used to represent ____________ in electrical circuits.

Current

Resistance

Voltage

29 / 40

In a parallel circuit, the voltage across each component is ____________.

Zero

Same

Different

30 / 40

Ohm's law is represented by the equation ____________.

V = I/R

V = IR

I = VR

31 / 40

The voltage drop across a resistor with a resistance of 5 ohms and a current of 2 amperes is ____________.

2.5 volts

10 volts

7.5 volts

32 / 40

The equivalent resistance of two resistors connected in parallel is always ____________.

More than the largest individual resistance

Equal to the sum of individual resistances

Less than the smallest individual resistance

33 / 40

A device that stores electrical energy in an electric field is called a ____________.

Inductor

Capacitor

Resistor

34 / 40

The formula to calculate electric power is ____________.

P = VI

P = V/I

P = I/V

35 / 40

The device used to measure electric current is called a ____________.

Ammeter

Galvanometer

Voltmeter

36 / 40

The current in a circuit with a resistance of 20 ohms and a voltage of 100 volts is ____________.

20 amperes

500 amperes

5 amperes

37 / 40

The voltage provided by a standard household outlet is typically ____________.

220 volts

120 volts

12 volts

38 / 40

_____________ is the flow of electric charge through a conductor.

Voltage

Current

Resistance

39 / 40

The device used to protect electrical appliances from sudden voltage spikes is called a ____________.

Surge protector

Diode

Capacitor

40 / 40

The flow of electric charge that goes in one direction is called ____________ current.

Continuous

Alternating

Direct

Download Certificate of Quiz Current Electricity

On the end of Quiz, you can download the certificate of the quiz if you got more than 70% marks. Add a certificate to your job application or social profile (like LinkedIn) and get more job offers.

If you are interested to enhance your knowledge regarding English, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.

adminJune 10, 2024

0 2 1 minute read