Wheatstone Bridge NEET Questions

Physics - Current Electricity

Wheatstone Bridge MCQ Questions


7.
In a practical Wheatstone bridge, if the temperature of one of the resistances increases, what happens to the balance condition?

NEET - 2024

A.
It remains unchanged
B.
It gets slightly disturbed
C.
It becomes zero
D.
It becomes infinite
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ANSWER :
B. It gets slightly disturbed
8.
What happens to the galvanometer in a balanced Wheatstone bridge?
A.
No current flows through it
B.
It shows maximum deflection
C.
It fluctuates
D.
It burns out
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ANSWER :
A. No current flows through it
9.
The Wheatstone bridge is most sensitive when:
A.
Resistances are nearly equal
B.
One resistance is much larger
C.
A resistance is much smaller
D.
Resistances are very different
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ANSWER :
A. Resistances are nearly equal
10.
In a Wheatstone bridge, if the bridge is balanced and all four resistances are increased by a factor of 2, what happens to the balancing condition?

NEET - 2019

A.
It remains the same
B.
It gets disturbed
C.
It becomes zero
D.
It doubles
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ANSWER :
A. It remains the same
11.
If the bridge is unbalanced, which of the following occurs?
A.
A large current flows
B.
No current flows
C.
The galvanometer shows deflection
D.
The bridge ceases to work
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ANSWER :
C. The galvanometer shows deflection
12.
The Wheatstone bridge can be used to measure:
A.
Current
B.
Resistance
C.
Voltage
D.
Power
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ANSWER :
B. Resistance