MCQ Questions | Class 10 Science Chapter 12 | Electricity with Answers

MCQ | Class 10 Science Chapter 12 | Electricity Set A

Check the below NCERT MCQ Questions for Class 10 Science Chapter 12 Electricity with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Electricity Class 10 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | Science Class 10 Chapter 12

NCERT Solutions Class 10 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	10th
Subject:	Science
Chapter:	12
Chapters Name:	Electricity
Medium:	English

Class 10th Science Book | Objective Type Questions

You can refer to NCERT Solutions for Class 10 Science Chapter 12 Electricity to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Electricity | Class 10 Science | NCERT Solutions

Q1.	Assertion: When a battery is short circuited, the terminal voltage is zero. Reason: In short circuit, the current is zero.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: A is true but R is false.

Q2.	Assertion: In an open circuit, the current passes from one terminal of the electric cell to another. Reason: Generally, the metal disc of a cell acts as a positive terminal.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: A is false but R is true.

Q3.	Electrical resistivity of any given metallic wire depends upon
	A. its thickness
	B. its shape
	C. nature of the material
	D. its length

Ans: nature of the material

Q4.	Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points is
	A. current
	B. voltage
	C. resistance
	D. None of these

Ans: voltage

Q5.	100 J of heat is produced each second in a 4Ω resistor. The potential difference across the resistor will be:
	A. 30 V
	B. 10 V
	C. 20 V
	D. 25 V

Ans: 10 V

Q6.	The resistivity of insulators is of the order of
	A. 10-8 Ω-m
	B. 101 Ω-m
	C. 10-6 Ω-m
	D. 106 Ω-m

Ans: 10-8 Ω-m

Q7.	An electric bulb is connected to a 220V generator. The current is 0.50 A. What is the power of the bulb?
	A. 440 W
	B. 110 W
	C. 55 W
	D. 0.0023 W

Ans: 110 W

Q8.	The electrical resistance of insulators is
	A. high
	B. low
	C. zero
	D. infinitely high

Ans: infinitely high

Q9.	When electric current is passed, electrons move from:
	A. high potential to low potential.
	B. low potential to high potential.
	C. in the direction of the current.
	D. against the direction of the current.

Ans: low potential to high potential.

Q10.	The heating element of an electric iron is made up of:
	A. copper
	B. nichrome
	C. aluminium
	D. iron

Ans: nichrome

Q11.	Coulomb is the SI unit of:
	A. charge
	B. current
	C. potential difference
	D. resistance

Ans: charge

Q12.	Work done to move 1coulomb charge from one point to another point on a charged conductor having potential 10volt is
	A. 1 Joule
	B. 10 Joule
	C. zero
	D. 100 Joule

Ans: zero

Q13.	The effective resistance between A and B is
	A. 4Ω
	B. 6Ω
	C. May be 10 Ω
	D. Must be 10 Ω

Ans: 4Ω

Q14.	A student says that the resistance of two wires of same length and same area of cross section is same. This statement is correct if
	A. Both wires are of different materials
	B. Both wires are made of same material and are at different temperature.
	C. Both wires are made of same material and are at same temperature.
	D. Both wires are made of different materials and are at the same temperature.

Ans: Both wires are made of same material and are at same temperature.

Q15.	A cooler of 1500 W, 200 volt and a fan of 500 W, 200 volt are to be used from a household supply. The rating of fuse to be used is
	A. 2.5 A
	B. 5.0 A
	C. 7.5 A
	D. 10 A

Ans: 10 A

Q16.	If the current I through a resistor is increased by 100% the increased in power dissipation will be (assume temperature remain unchanged)
	A.100%
	B. 200%
	C. 300%
	D. 400%

Ans: 3

Q17.	A coil in the heater consume power P on passing current. If it is cut into halves and joined in parallel, it will consume power
	A. P
	B. P/2
	C. 2P
	D. 4P

Ans: 4P

Q18.	If R₁ and R₂ be the resistance of the filament of 40 W and 60 W respectively operating 220 V, then
	A. R₁ < R₂
	B. R₂ < R₁
	C. R₁ = R₂
	D. R₁ ≥ R₂

Ans: R2 < R1

Q19.	A metallic conductor has loosely bound electrons called free electrons. The metallic conductor is
	A. negatively charged
	B. positively charged
	C. neutral
	D. Either positively charged or negatively charged