Simple Electric Circuit NDA Questions

NDA Physics

Simple Electric Circuit MCQ Questions


13.
All good conductors have high
A.
Conductance
B.
Resistance
C.
Reluctance
D.
Thermal conductivity
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ANSWER :
A. Conductance
14.
One Newton meter is the same as
A.
One watt
B.
One joule
C.
Five joules
D.
One joule second
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ANSWER :
B. One joule
15.
The condition for the validity of Ohm’s law is that
A.
Resistance must be uniform
B.
Current should be proportional to the size of the resistance
C.
Resistance must be wire wound type
D.
Temperature at the positive end should be more than the temperature at the negative end
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ANSWER :
A. Resistance must be uniform
16.
Out of the following which is an insulating material?
A.
Copper
B.
Gold
C.
Silver
D.
Paper
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ANSWER :
D. Paper
17.
All of the following are equivalent to watt except
A.
(Amperes) ohm
B.
Joules/sec
C.
Amperes × volts
D.
Amperes/volt
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ANSWER :
D. Amperes/volt
18.
Which of the following statement is true?
A.
A galvanometer with low resistance in parallel is a voltmeter
B.
A galvanometer with high resistance in parallel is a voltmeter
C.
A galvanometer with low resistance in series is an ammeter
D.
A galvanometer with high resistance in series is an ammeter
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ANSWER :
C. A galvanometer with low resistance in series is an ammeter