Meter Bridge NEET Questions

Physics - Current Electricity

Meter Bridge MCQ Questions


13.
What happens to the balancing length if the resistance in the right gap is increased?
A.
Decreases
B.
Remains the same
C.
Increases
D.
Fluctuates randomly
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ANSWER :
C. Increases
14.
Which of the following is a limitation of a meter bridge?
A.
Can measure only moderate resistances
B.
Can measure only high resistances
C.
Wire resistance affects accuracy
D.
Affected by external magnetic fields
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ANSWER :
A. Can measure only moderate resistances
15.
Why is the wire in a meter bridge made uniform?
A.
To improve accuracy
B.
To reduce heat production
C.
To ensure uniform resistance
D.
To reduce errors
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ANSWER :
C. To ensure uniform resistance
16.
Which method is used to improve the accuracy of a meter bridge?
A.
Using a high-quality wire
B.
Using a sensitive galvanometer
C.
Measuring at multiple points
D.
Increasing the applied voltage
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ANSWER :
C. Measuring at multiple points
17.
The balancing condition in a meter bridge is derived from which electrical law?
A.
Ohm’s law
B.
Kirchhoff’s law
C.
Superposition theorem
D.
Coulomb’s law
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ANSWER :
B. Kirchhoff’s law
18.
What happens if the wire of the meter bridge is not uniform?
A.
Readings become more accurate
B.
Resistance calculation is not affected
C.
The bridge does not work
D.
The error increases
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ANSWER :
C. The bridge does not work