The Resistivity of the Material of a Given Wire Using a Metre Bridge NEET Questions

Physics - Experimental Skills

The Resistivity of the Material of a Given Wire Using a Metre Bridge MCQ Questions


1.
The metre bridge works on the principle of:
A.
Wheatstone bridge
B.
Potentiometer
C.
Kirchhoff's voltage law alone
D.
Ohm's law alone
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ANSWER :
A. Wheatstone bridge
2.
Who invented the Wheatstone bridge?
A.
Samuel Hunter Christie (popularised by Charles Wheatstone)
B.
Michael Faraday
C.
Lord Kelvin
D.
Georg Simon Ohm
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ANSWER :
A. Samuel Hunter Christie (popularised by Charles Wheatstone)
3.
The condition for balance of a Wheatstone bridge with arms P, Q, R, S is:
A.
P × Q = R × S
B.
P/R = Q × S
C.
P + Q = R + S
D.
P/Q = R/S
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ANSWER :
D. P/Q = R/S
4.
In a balanced Wheatstone bridge, the current through the galvanometer is:
A.
Maximum
B.
Equal to the main current
C.
Zero
D.
Half of the main current
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ANSWER :
C. Zero
5.
In the metre bridge experiment, two of the four arms of the Wheatstone bridge are formed by:
A.
Two galvanometers
B.
Two batteries
C.
Two voltmeters
D.
Sections of a uniform resistance wire of length 100 cm
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ANSWER :
D. Sections of a uniform resistance wire of length 100 cm
6.
The metre bridge consists of a uniform wire of length:
A.
10 cm
B.
1 km
C.
10 metres
D.
1 metre (100 cm)
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ANSWER :
D. 1 metre (100 cm)