Home
Class 12
PHYSICS
When unknown resistance and a resistance...

When unknown resistance and a resistance of `5 Omega` are used in left and rigt gaps of meter bridge the balance point is 50 cm. The balancing point of `5Omega` resistance is now connected in seriece to the resistor in right gap

A

20 cm

B

33.3 cm

C

60 cm

D

60 cm

Text Solution

Verified by Experts

The correct Answer is:
B
`X/R =l/(100-l)`
Promotional Banner

Similar Questions

Explore conceptually related problems

When an unknown resistance and a resistance 6Omega are connected in the left and right gaps of a meter bridge the balance point is obtained at 50 cm. if 3Omega resistance is connected in parallel to resistance in right gap, the balance point is

When an unknown resistance and a resistance of 4Omega are connected in the left and right gaps of a meterbridge, the balance point is obtained at 50 cm. the shift in the balance point if a 4Omega resistance is now connected in parallel to the resistance in the right gap is

When an unknown resistance and a resistance of 4 ohm are connected in the left and right gaps of Meterbridge, the balance point is obtained at 50 cm. The shift in the balance point if 4 ohm resistance is connectedin parallel in the right gap is

Two resistances of values 20 Omega and 20 Omega are introduced in the left and right gaps of a metre bridge. What is the shift in the null point if a resistance of 40 Omega is connected in series with the resistance in the left gap ?

Two unknown resistance X and Y are connected to left and right gaps of a meter bridge and the balancing point is obtained at 80 cm from left. When a 10Omega resisance is connected in parallel to x , balance point is 50 cm from left. The values of X and Y respectively are

Two equal resistances are introduced in two gaps of a metre bridge. The shift in the null point if an equal resistance is connected in series with resistance in left gap is

In a metre bridge experiment, unknown resistance X and known resistance of 60Omega is connected in left and right gap of a metre bridge respectively. If the null point is obtained at 40 cm from the left end then the unknown resistance is

When two known resistance R and S are connected in the left and right gaps of a meter bridge, the balance point is found at a distance l_(1) from the zero end of the meter bridge wire. An unknown resistance X is now connected in parallel to the resistance S and the balance point is found at a distance l_(2) from the zero end of the meter bridge wire, Obtain a formula for X in terms of l_(1), l_(2) and S.

Two unknown resistances are connected in two gaps of a meter-bridge. The null point is obtained at 40 cm from left end. A 30Omega resistance is connected in series with the smaller of the two resistances, the null point shifts by 20 cm to the right end. The value of smaller resistance in Omega is