Home
Class 12
PHYSICS
In a meter bridge, as shown in the figu...


In a meter bridge, as shown in the figure, it is given that resistance `Y = 12.5 Omega` and that the balance is obtained at a distance `39.5 cm` from end A (by jockey J). After interchanging the resistance X and Y, a new balance point is found at a distance `l_(2)` from end A. What are the values of X and `l_(2)` ?

A

`19.15Omega` and `39.5 cm`

B

`8.16 Omega` and `60.5 cm`

C

`19.15 Omega` and `60.5 cm`

D

`8.16 Omega` and `39.5cm`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • JEE MAINS

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise Chemistry|1 Videos

  • JEE MAIN

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise All Questions|452 Videos

  • JEE MAINS 2020

    JEE MAINS PREVIOUS YEAR ENGLISH|Exercise PHYSICS|250 Videos

Similar Questions

Explore conceptually related problems

In a meter bridge circuit as shown in the figure, the bridge is balanced when AJ = 20 cm. On interchanging P and Q the balance length shifts by

In a meter bridge experiment the ratio of left gap resistance to right gap resistance is 2:3 the balance point from is

In a metre bridge when the resistance in the left gap is 2Omega and an unknown resistance in the right gap, the balance point is obtained at 40 cm from the zero end. On shunting the unknown resistance with 2Omega find the shift of the balance point on the bridge wire.

In the figure shown wire AB has a length of 100 cm and resistance 8Omega . Find the balance point length l .

In a metre bridge, the length of the wire is 100 cm. At what position will the balance point be obtained if the two resistances are in the ratio 2 : 3?

In the meter bridge experimental set up, shown in the figure, the null point 'D' is obtained at a distance of 40 cm from end A of the meter bridge wire. If a resistance of 10 Omega is connected in series with R_(1), null point is obtained at AD = 60 cm. Calculate the values of R_(1) and R_(2).

In a meter bridge experment, the value of unknown resistance is 2Omega . To get tehbalancing point at 40 cm distance form the same end, the resistance in the resistance box will be :

In a metre bridge, the gaps are closed by two resistance P and Q and the balance point is obtained at 40 cm . When Q is shunted by a resistance of 10 Omega , the balance point shifts to 50 cm . The values of P and Q are. .

Answer the following: (a) Write the principle of working of a metre bridge. (b) In a metre bridge, the balance point is found at a distance I_(1) with resistances R and S as shown in the figure. An unknown resistance X is now connected in parallel to the resistance S and the balance point is found at a distance I_(2) , Obtain a formula for X in terms of I_(1), I_(2) and S .

In a meter bridge, null point is at l=33.7cm , when the resistance S is shunted by 12Omega resitance the null point is found to be shifted by a distance of 18.2 cm . The value of unknown resistance R should be