MCQ Questions for Class 10 Science Chapter 12 Electricity with Answers

We have compiled the NCERT MCQ Questions for Class 10 Science Chapter 12 Electricity with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 10 Science with Answers on a daily basis and score well in exams. Refer to the Electricity Class 10 MCQs Questions with Answers here along with a detailed explanation.

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.
(e) Both A and R are false.

Q3. Electrical resistivity of any given metallic wire depends upon

(a) its thickness
(b) its shape
(c) nature of the material
(d) its length

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

(b) voltage

Q5. 100 J of heat is produced each second in a 4? resistor. The potential difference across the resistor will be:

(a) 30 V
(b) 10 V
(c) 20 V
(d) 25 V

(b) 10 V

Q6. The unit of specific resistance is

(a) ohm
(b) ohm
(c) ohm-metre
(d) ohm per metre

Q7. The variable resistance is called

(a) resistor
(b) rheostat
(c) open switch
(d) none of these

(b) rheostat

Q8. The SI unit of resistance is

(a) ohm m
(b) ohm m1
(c) ohm
(d) (ohm)-1

Q9. Electric power is inversely proportional to

(a) resistance
(b) voltage
(c) current
(d) temperature

(a) resistance

Q10. What is the commercial unit of electrical energy?

(a) Joules
(b) Kilojoules
(c) Kilowatt-hour
(d) Watt-hour

Q11. Three resistors of 1 ?, 2 ft and 3 ? are connected in parallel. The combined resistance of the three resistors should be

(a) greater than 3 ?
(b) less than 1 ?
(c) equal to 2 ?
(d) between 1 ? and 3 ?

(d) between 1 ? and 3 ?

Q12. 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

(d) 0.0023 W

Q13. The resistivity of insulators is of the order of

(a) 10-8 ?-m
(b) 101 ?-m
(c) 10-6 ?-m
(d) 106 ?-m

(a) 10-8 ?-m

Q14. 1 kWh = ……….. J

(a) 3.6 × 10-6 J
(b) 13.6 × 106 J
(c) 3.6 × 106 J
(d) 13.6 × 10-6 J

(d) 13.6 × 10-6 J

Q15. The electrical resistance of insulators is

(a) high
(b) low
(c) zero
(d) infinitely high

Q16. Electrical resistivity of any given metallic wire depends upon

(a) its thickness
(b) its shape
(c) nature of the material
(d) its length

Q17. To get 2 ? resistance using only 6 ? resistors, the number of them required is

(a) 2
(b) 3
(c) 4
(d) 6

(b) 3

Q18. The least resistance obtained by using 2 ?, 4 ?, 1 ? and 100 ? is

(a) < 100 ?
(b) < 4 ?
(c) < 1 ?
(d) > 2 ?

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

Q20. Calculate the current flows through the 10 ? resistor in the following circuit.

(a) 1.2 A
(b) 0.6 A
(c) 0.2 A
(d) 2.0 A

(b) 0.6 A

Use the above-provided NCERT MCQ Questions for Class 10 Science with Answers Pdf free download. We hope the given NCERT MCQ Questions for Class 10 Science PDF Free Download will definitely yield fruitful results. If you have any queries regarding The CBSE Class 10 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Q1. Assertion: When a battery is short circuited, the terminal voltage is zero.Reason: In short circuit, the current is zero.