Heat UPSC Questions

Physics

Heat MCQ Questions


13.
Which of the following is correct while making a battery of two cells
(i) The positive terminal of one battery is connected to the negative terminal of other battery
(ii) The positive terminal of one battery is connected to the positive terminal of another battery
A.
(i) only
B.
(ii) only
C.
All the above
D.
None of the above
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ANSWER :
A. (i) only
14.
In electricity, the combination of two or more cells is known as
A.
Light
B.
Battery
C.
sound
D.
None of the above
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ANSWER :
B. Battery
15.
Choose the statement which is not correct in the case of an electric fuse
(i) Fuses are inserted in electric circuits of all buildings
(ii) There is a maximum limit on the current which can safely flow through the electric circuits
(iii) There is a minimum limit on the current which can safely flow through the electric circuits
(iv) If a proper fuse is inserted in a circuit it will blow off if current exceeds the safe limit
A.
(i) only
B.
(ii) only
C.
(iii) only
D.
(iv) only
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ANSWER :
C. (iii) only
16.
In SI Units, the unit of current is
A.
ampere
B.
Candele
C.
Decibel
D.
newton
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ANSWER :
A. ampere
17.
The rate of flow of electric charge is called
A.
electric current
B.
light
C.
sound
D.
force
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ANSWER :
A. electric current
18.
Which of the following about ohm's law is true
(i) V=RI
(ii)V=R/I
A.
(i) only
B.
(ii) only
C.
Neither (i) or (ii)
D.
Both (i) and (ii)
😑 View Answer Rough Work Error
ANSWER :
A. (i) only