Home
Class 12
PHYSICS
A metre bridge is balanced with known re...

A metre bridge is balanced with known resistance in the right gap and a metal wire in the left gap. If the metal wire is heated the balance point.

A

shifts towards left

B

shifts towards right

C

does not change

D

may shift towards left or right depending on the nature of the metal.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

When a metal conductor connected to left gap of a meter bridge is heated, the balancing point

A meter bridge is balanced by putting 20pi resistance in the left gap and 40pi in the right, gap, if 40pi resistance is now shunted with 40pi resistance the shift in the null point towards right is nearly

In metre bridge experiment, with a standard resistance in the right gap and a resistance coil dipped in water (in a beaker) in the left gap, the balancing length obtained is '1'. If the temperature of water is increased, the new balancing

A wire connected in the left gap of a meter bridge balance a 10Omega resistance in the right gap to a point, which divides the bridge wire in the ratio 3:2. If the length of the wire is 1m. The length of one ohm wire is

A wire of length 3 m connected in the left gap of a metre bridge balances a 8 Omega resistance in the right gap at a point, which divides the bridge wire in the ratio of 3 :2 . What is the length of the wire corresponding to a resistance of the length of the wire corresponding to a resistance of 1 Omega ?

In the metre-bridge experiment with uknown resistance X in the left gap and a known resistance of 60Omega in the right gap, null point is obtained at l cm from left. If the unknown resistance X is shunted by an equal resistance, what should be the value of the known resistance in the right gap in order to get the null point at the same position?.

An unknown resistance is connected in a left gap of a metre bridge . The balance point is obtained when a resistance of 10 Omega is taken out from the resistance box in the right gap. On increasing the resistance from the resistance box by 12.5 Omega the balance point shifts by 20 cm. find the unknown resistance.