Physics Current Electricity Test Online Preparation Mcqs

Physics Current Electricity Test Online Preparation Mcqs With Answers Start Below

 7%

Question 1 of 15

1. Resistance of a wire on increasing its temperature will _________
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. A wire of uniform area of cross-section ‘A’ length ‘L’ and resistance R is cut into two parts. Resistivity of each part ________.
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

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

Question 3 of 15

Question 4 of 15

4. SI unit of resistivity is ________.
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. When same current passes for same time through a thick and thin wire _________.
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Electrical energy is converted to heat at the rate of _______.
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. One kilowatt hour is the amount of energy delivered during _________.
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. 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
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Why should a resistance be introduced in a circuit in series deliberately?
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. The graphical representation of Ohm’s law is ______________.
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Reciprocal of resistvity is called __________.
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

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

Question 12 of 15

Question 13 of 15

13. Resistance of a conductor depends upon ______.
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. Specific resistance of a wire _________
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

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

Question 15 of 15


 

1 Comment

Leave a Reply

Your email address will not be published. Required fields are marked *

error: Content is protected !!