Physics Current Electricity Test Online Preparation Mcqs

Physics Current Electricity Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. A 100W, 200V bulb is connected to a 160V supply. The actual power consumption would be:64W

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B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The resistance of a conductor at absolute zero (0K) is _________.
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B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Circuit which gives continuously varying potential is called __________.
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D.

Question 3 of 15

Question 4 of 15

4. Which one of the following bulbs has the least resistance?
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B.
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D.

Question 4 of 15

Question 5 of 15

5. Production of heat due to an electric current flowing through a conductor is given by ________.
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D.

Question 5 of 15

Question 6 of 15

6. A wire of uniform area of cross-section ‘A’ length ‘L’ and resistance R is cut into two parts. Resistivity of each part ________.
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Question 6 of 15

Question 7 of 15

7. When same current passes for same time through a thick and thin wire _________.
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D.

Question 7 of 15

Question 8 of 15

8. Resistances of 12ohm, 10ohm and 8ohm are connected in parallel to a battery of 10V, the current in 10ohm resistor is:
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B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Thermocouples convert __________.
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D.

Question 9 of 15

Question 10 of 15

10. An electric heater takes a current of 4A from a 250V supply when operating normally, how much time is taken by the heater to convert 400000J of electrical energy
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B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Internal resistance is the resistance offered by _________
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D.

Question 11 of 15

Question 12 of 15

12. Resistance of an ideal insulator is ________.
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Question 12 of 15

Question 13 of 15

13. When 2Ω, 4Ω and 6Ω resistor are connected in parallel, their resultant equivalent resistance will be ________.
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B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Why should a resistance be introduced in a circuit in series deliberately?
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D.

Question 14 of 15

Question 15 of 15

15. What can be used as the unit of energy
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B.
C.
D.

Question 15 of 15


 

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