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.

MCQ Questions for Class 10 Science Physics with Answers

Q1. Electric power is inversely proportional to

(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

Q6. Kilowatt hour is the unit of

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

(ii) energy

Q7. The resistivity of insulators is of the order of

(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 metallic
conductor 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

Q10. The unit of e.m.f. of a cell is

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

(ii) volt

Q11. 100 J of heat is produced each second in a 4Ω resistor. The potential difference across the resistor will be:

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

(ii) 10 V

Q12. To get 2 Ω resistance using only 6 Ω resistors, the number of them required is

(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

Q16. A boy records that 4000 joule of work is required to transfer 10 coulomb of charge between two points of a resistor of 50 Ω. The current passing through it is

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

(iii) 8 A

Q17. The SI unit of resistance is

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

(iii) ohm

Q18. 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

(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
(ii) less radius
(iii) less length
(iv) more radius

(iv) more radius

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

Q22. 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

(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

Q26. Work done to move 1coulomb charge from one point to another point on a charged conductor having potential 10volt is

(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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