Electricity and Magnetism CDS Questions

CDS Physics

Electricity and Magnetism MCQ Questions


7.
When current is switched on in a room heater, _______ is converted into _________
A.
Electric energy, heat energy
B.
Electric energy, Light energy
C.
Heat energy, Light energy
D.
Heat energy, electric energy
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ANSWER :
A. Electric energy, heat energy
8.
An electric charge will experience a force if an ______ is applied
A.
Electric Field
B.
Magnetic Field
C.
Both (a) & (b)
D.
None of the above
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ANSWER :
A. Electric Field
9.
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
10.
In SI Units, the unit of current is
A.
ampere
B.
Candele
C.
Decibel
D.
newton
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ANSWER :
A. ampere
11.
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
12.

Batteries are generally connected in _____________ to increase the output voltage.

A.

series

B.

Parallel

C.

Neither (i) or (ii)

D.

None of the above

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ANSWER :

A. series