# Electricity MCQ Questions for Class 10 Science Chapter 12 with Answers

NCERTCOURSE.COM- Find here the NCERT/CBSE chapter-wise Multiple Choice Questions from Class 10 Science book Chapter 12 Electricity with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Electricity. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

(i) resistance
(ii) voltage
(iii) current
(iv) temperature

(i) resistance

## Q2. Materials which allow larger currents to flow through them are called

(i) insulators
(ii) conductors
(iii) semiconductors
(iv) alloys

(ii) conductors

## Q3. The electrical resistance of insulators is

(i) high
(ii) low
(iii) zero
(iv) infinitely high

(iv) infinitely high

## Q4. Resistivity of a metallic wise depends on

(i) its length
(ii) its shape
(iii) its thickness
(iv) nature of material

(iv) nature of material

## Q5. Electrical resistivity of any given metallic wire depends upon

(i) its thickness
(ii) its shape
(iii) nature of the material
(iv) its length

(iii) nature of the material

(i) power
(ii) energy
(iii) impulse
(iv) force

(ii) energy

(i) 10-8 Ω-m
(ii) 101 Ω-m
(iii) 10-6 Ω-m
(iv) 106 Ω-m

(i) 10-8 Ω-m

## Q8. A metallic conductor has loosely bound electrons called free electrons. The metallicconductor is

(i) negatively charged
(ii) positively charged
(iii) neutral
(iv) Either positively charged or negatively charged

(iii) neutral

## Q9. The electrical resistance of insulators is

(i) high
(ii) low
(iii) zero
(iv) infinitely high

(iv) infinitely high

(i) dyne
(ii) volt
(iii) ampere
(iv) joule

(ii) volt

(i) 30 V
(ii) 10 V
(iii) 20 V
(iv) 25 V

(ii) 10 V

(i) 2
(ii) 3
(iii) 4
(iv) 6

(ii) 3

## Q13. Coulomb is the SI unit of:

(i) charge
(ii) current
(iii) potential difference
(iv) resistance

(i) charge

## Q14. Electrical resistivity of a given metallic wire depends upon

(i) its length
(ii) its thickness
(iii) its shape
(iv) nature of the material

(iv) nature of the material

## Q15. Electrical resistivity of any given metallic wire depends upon

(i) its thickness
(ii) its shape
(iii) nature of the material
(iv) its length

(iii) nature of the material

(i) 2 A
(ii) 4 A
(iii) 8 A
(iv) 16 A

(iii) 8 A

(i) ohm m
(ii) ohm m1
(iii) ohm
(iv) (ohm)-1

(iii) ohm

(i) P
(ii) P/2
(iii) 2P
(iv) 4P

(iv) 4P

## Q19. A fuse wire repeatedly gets burnt when used with a good heater. It is advised to use a fuse wire of

(i) more length
(iii) less length

## Q20. Electric potential is a:

(i) scalar quantity
(ii) vector quantity
(iii) neither scalar nor vector
(iv) sometimes scalar and sometimes vector

(i) scalar quantity

## Q21. The variable resistance is called

(i) resistor
(ii) rheostat
(iii) open switch
(iv) none of these

(ii) rheostat

(i) 2.5 A
(ii) 5.0 A
(iii) 7.5 A
(iv) 10 A

(iv) 10 A

## Q23. Three resistors of 1 Ω, 2 ft and 3 Ω are connected in parallel. The combined resistance of the three resistors should be

(i) greater than 3 Ω
(ii) less than 1 Ω
(iii) equal to 2 Ω
(iv) between 1 Ω and 3 Ω

(ii) less than 1 Ω

## Q24. Which of the following gases are filled in electric bulbs?

(i) Helium and Neon
(ii) Neon and Argon
(iii) Argon and Hydrogen
(iv) Argon and Nitrogen

(iv) Argon and Nitrogen

## Q25. The unit of specific resistance is

(i) ohm
(ii) ohm
(iii) ohm-metre
(iv) ohm per metre

(iii) ohm-metre

(i) 1 Joule
(ii) 10 Joule
(iii) zero
(iv) 100 Joule

(iii) zero

## Q27. Which of the following gases are filled in electric bulbs?

(i) Helium and Neon
(ii) Neon and Argon
(iii) Argon and Hydrogen
(iv) Argon and Nitrogen

(iv) Argon and Nitrogen

## Q28. The electrical resistance of insulators is

(i) high
(ii) low
(iii) zero
(iv) infinitely high

(iv) infinitely high

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