Home
Class 12
PHYSICS
In the metre bridge, the balancing lengt...

In the metre bridge, the balancing length AB = 20 cm. The unknown resistance X is equal to

A

`0.25Omega`

B

`0.8Omega`

C

`0.2Omega`

D

`0.16Omega`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Resistance of 12 Omega and X Omega are connected in parallel in the left gap and resistances of 9 Omega and 7 Omega are connected in series in the right gap of the meter bridge. If the balancing length is 36 cm, then the value of resistance X is

In a metere bridge, the balance length from left end (standard resistance of 1Omega is in the right gap) is found to be 20 cm, the length of resistance wire in left gap) is found to be 20 cm the length of resistance wire in left gap is (1)/(2) m and radius is 2mm its specific resistance is

In a meter bridge experiment, resistances are connected as shown in figure. The balancing length l_(1)=55cm . Now, an unknown resistance x is connected in series with P and the new balancing length is found to be 75 cm. What is the value of The value of 11x (in ohm)? (Given, P=4Omega )

There is a potentiometer wire of length 1200 cm and 60 mA current is flowing in it. A battery of emf 5V and internal resistance of 20 ohm is balanced on potentiometer wire with balancing length 1000 cm. The resistance of potentiometer wire is

In a metre bridge experiment l_(x) and l_(r) are the balancing lengths and R is known resistance then unkown, resistance is given by

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