Meter Bridge NEET Questions

Physics - Current Electricity

Meter Bridge MCQ Questions


1.
The meter bridge works on the principle of:
A.
Faraday's law
B.
Ohm's law
C.
Wheatstone bridge
D.
Kirchhoff's first law
😑 View Answer Rough Work Error
ANSWER :
C. Wheatstone bridge
2.
The meter bridge is also known as:
A.
Potentiometer
B.
Slide-wire bridge
C.
Carey Foster bridge
D.
Ammeter bridge
😑 View Answer Rough Work Error
ANSWER :
B. Slide-wire bridge
3.
The wire used in a meter bridge is usually made of:
A.
Copper
B.
Aluminium
C.
Iron
D.
Constantan or manganin (high resistivity, low temperature coefficient)
😑 View Answer Rough Work Error
ANSWER :
D. Constantan or manganin (high resistivity, low temperature coefficient)
4.
The length of the wire on a standard meter bridge is:
A.
1000 cm
B.
1 cm
C.
10 cm
D.
100 cm (1 m)
😑 View Answer Rough Work Error
ANSWER :
D. 100 cm (1 m)
5.
If X is the unknown resistance in the left gap and R is the standard resistance in the right gap of a meter bridge, and balance is at length L cm from the left end, then:
A.
X = R × L/(100 − L)
B.
X = R/L
C.
X = R × (100 − L)/L
D.
X = R × L × 100
😑 View Answer Rough Work Error
ANSWER :
A. X = R × L/(100 − L)
6.
If a 4 Ω known resistance in the right gap balances an unknown resistance X in the left gap at 60 cm, then X is:
A.
8/3 Ω
B.
6 Ω
C.
10 Ω
D.
2.67 Ω
😑 View Answer Rough Work Error
ANSWER :
B. 6 Ω