Home
Class 12
PHYSICS
In the circuit shows in Fig. 6.20, a met...

In the circuit shows in Fig. `6.20`, a meter bridge is in its balance state. The meter bridge wire has a resistance of `1 Omega cm^(-1)`. Calculate the value of the unknow resistance `X` and current drawn from the battery of negligible internal resistance.

Text Solution

Verified by Experts

For balanced wheatstone bridge, `(X)/(40) = (3)/(60)` or `X = 2 Omega`
Promotional Banner

Topper's Solved these Questions

  • ELECTRICAL MEASURING INSTRUMENTS

    CENGAGE PHYSICS ENGLISH|Exercise Subjective|18 Videos

  • ELECTRICAL MEASURING INSTRUMENTS

    CENGAGE PHYSICS ENGLISH|Exercise Single Correct|94 Videos

  • ELECTRICAL MEASURING INSTRUMENTS

    CENGAGE PHYSICS ENGLISH|Exercise Solved Examples|4 Videos

  • ELECTRIC POTENTIAL

    CENGAGE PHYSICS ENGLISH|Exercise DPP 3.5|15 Videos

  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS ENGLISH|Exercise compression type|7 Videos

Similar Questions

Explore conceptually related problems

In the gives circuit, a meter bridge is shows in a balanced state. The bridge wire has a resistance of 1 Omega cm^(-1) . Find the value of the unknown resistance X and the current draws from the battery of negligible internal resistance.

In the circuit shown, a meter bridge is in its balanced state. The meter bridge wire has a resistance .1 ohm//cm . The value of unknown resistance X and the current drawn from the battery of negligible resistance is

In the circuit shown, a meter bridge is in its balanced state. The meter bridge wire has a resistance .1 ohm//cm . The value of unknown resistance X and the current drawn from the battery of negligible resistance is

In the given circuit a meter bridge is shown in balanced state. The value of X is

In above question if resistance of meter bridge wire is 1 Omega /cm then the value of current / is

In meter bridge , the balancing length from left is found to be 20 cm when standard connected of 1 Omega is in right gap . The value of unknown resistance is

What is the value of unknown resistance R, if galvonometer shows null deflection in the given meter bridge set up?

In balanced meter bridge, the resistance of bridge wire is 0.1Omega cm . Unknown resistance X is connected in left gap and 6Omega in right gap, null point divides the wire in the ratio 2:3 . Find the current drawn the battery of 5V having negligible resistance

In fig. battery E is balanced on 55cm length of potentiometer wire but when a resistance of 10Omega is connected in parallel with the battery then it balances on 50cm length of the potentiometer wire then internal resistance r of the battery is:-

In the circuit shows in Fig. 6.74, the internal resistance of the cell is negligible. For the value of R = 40//x Omega , no current flows through the galvanometer. What is x ?