Meter Bridge NEET Questions

Physics - Current Electricity

Meter Bridge MCQ Questions


7.
The unknown resistance in a meter bridge is determined using which principle?
A.
Ohm’s law
B.
Wheatstone bridge principle
C.
Faraday’s law
D.
Biot-Savart law
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ANSWER :
B. Wheatstone bridge principle
8.
Why is a thick wire preferred in a meter bridge?
A.
To increase resistance
B.
To decrease resistance
C.
To make readings more stable
D.
To improve conductivity
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ANSWER :
B. To decrease resistance
9.
The accuracy of a meter bridge depends on which factor?
A.
Material of the wire
B.
Length of the wire
C.
Thickness of the wire
D.
External temperature
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ANSWER :
A. Material of the wire
10.
In a meter bridge, the wire is made of which material?
A.
Copper
B.
Nickel
C.
Manganin
D.
Iron
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ANSWER :
C. Manganin
11.
If the jockey is pressed hard on the wire, what error may occur?
A.
No error occurs
B.
A systematic error
C.
A contact resistance error
D.
No deflection in the galvanometer
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ANSWER :
C. A contact resistance error
12.
A meter bridge consists of a wire of length 1 meter. The resistance per unit length of the wire is

NEET - 2018

A.
Independent of material
B.
Depends on the material and thickness
C.
Always the same
D.
Depends only on thickness
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ANSWER :
B. Depends on the material and thickness