Electricity Class 10 Science MCQ Quiz – Test Your Knowledge

Are you preparing for your CBSE Class 10 Science exam? Strengthen your understanding of "Electricity" with this interactive MCQ quiz. It covers key concepts such as Ohm’s Law, resistance, series and parallel circuits, electric power, and heating effects of electric current.

About the Quiz

Chapter Name: Electricity
Subject: Science (Physics)
Book: NCERT Class 10 Science
Question Type: Multiple Choice Questions (MCQs)
Leaderboard: Yes (Compete with Others!)

Why Take This Quiz?

✔ Helps in quick revision for board exams
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Chapter 11 - Electricity

1 / 15

A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R’, then the ratio ^R/_R’ is:

1/25

2 / 15

Plastic insulation surrounds a wire having diameter d and length l as shown below.

Plastic insulation surrounds a wire having diameter d and length l as shown above. A decrease in the resistance of the wire would be produced by an increase in the

A decrease in the resistance of the wire would be produced by an increase in the:

Length l of the wire

Temperature of the wire

Diameter d of the wire

Thickness of the plastic insulation

3 / 15

In the following given circuits, the heat produced in the resistor or combination of resistors connected to a 12 V battery will be

In the following given circuits, heat produced in the resistor or combination of resistors connected to a 12 V battery will be

Maximum in case (iii)

Minimum in case (i)

Maximum in case (ii)

Same in all the cases

4 / 15

Column A contains some electrical devices and Column B contains the material used for making these devices. Match Columns A and B.

Column A	Column B
1. Filament of electrical bulb	A. Copper
2. Heating elements	B. Lead-tin alloy
3. Connection wire	C. Tungsten
4. Fuse wire	D. Nichrome

1-A, 2-D, 3-C, 4-B

1-B, 2-D, 3-A, 4-C

1-C, 2-D, 3-A, 4-B

1-C, 2-A, 3-D, 4-B

5 / 15

A battery of 10 volts carries 20,000 C of charge through a resistance of 20 Ω. The work done in 10 seconds is _____.

b. 2 x 10^5 joule

a. 2 x 10^2 joule

c. 2 x 10^4 joule

d. 2 x 10^3 joule

6 / 15

Unit of electric power may also be expressed as:

joule-second

volt-ampere

watt-second

kilowatt-hour

7 / 15

A resistance wire is stretched so as to double its length. Its new resistivity will have a magnitude

4 times its original value

Same as its original

2 times its original value

8 times its original value

8 / 15

A boy records that 4000 joules of work is required to transfer 10 coulombs of charge between two points of a resistor of 50 Ω. The current passing through it is _____.

4 A

2 A

16 A

8 A

9 / 15

Three V-I graphs are drawn individually for two resistors and their series combination. Out of A, B, and C which one represents the graph for a series combination of the other two?

Three V-I graphs are drawn individually for two resistors and their series combination. Out of A, B, and C which one represents the graph for series combination of the other two

None of the above

10 / 15

Assertion: A fuse wire is always connected in parallel with the mainline.

Reason: If a current larger than the specified value flows through the circuit, the fuse wire melts.

A is true but R is false

Both A and R are true and R is the correct explanation of A

A is false but R is true

Both A and R are true but R is not the correct explanation of A

11 / 15

The resistance between A and B in the given figure will be

Electricity class 10 important questions with answers

20 Ω

90 Ω

30 Ω

More than 10 Ω but less than 20 Ω

12 / 15

Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then parallel in a circuit across the same potential difference. The ratio of heat produced in series and parallel combinations would be:

2:1

4:1

1:2

1:4

13 / 15

Match the following

Column I	Column II
A. Ohm	I. ^ρL/_A
B. Resistance	II. ^{1 volt}/_{1 ampere}
C. Resistivity	III. zero resistance
D. Superconductor	IV. ohm-meter

A-III, B-I, C-IV, D-II

A-I, B-II, C-IV, D-III

A-II, B-IV, C-I, D-III

A-II, B-I, C-IV, D-III

14 / 15

The circuit below consists of a variable resistor connected in series with two 2000 Ω resistors. The variable resistor can be adjusted to any value between 0-4000 Ω.

The circuit below consists of a variable resistor connected in series with two 2000  resistors. The variable resistor can be adjusted to any value between 0-4000

As the resistance of the variable resistor is changed, what is the smallest possible reading on the voltmeter?

4 V

0 V

3 V

6 V

15 / 15

When a 4 V battery is connected across an unknown resistor there is a current of 100 mA in the circuit. The value of the resistance of the resistor is:

400 Ω

0.4 Ω

40 Ω

4 Ω

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The average score is 52%

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Key Topics Covered in the Quiz

✔ Electric current and circuit concepts
✔ Ohm’s Law and its applications
✔ Resistance and factors affecting resistance
✔ Series and parallel circuit combinations
✔ Electrical power and energy calculation
✔ Heating effect of electric current and its applications

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4 thoughts on “Electricity Class 10 Science MCQ Quiz – Test Your Knowledge”

BHABANISANKARBISWAL
February 18, 2025 at 8:32 AM
Please give me important questions
- Mohit Raj
  February 18, 2025 at 7:25 PM
  Ask questions
BHABANISANKARBISWAL
February 18, 2025 at 8:33 AM
Help me
BHABANISANKARBISWAL
February 18, 2025 at 8:34 AM
Please give me some questions for solving and prepare to my exam