Home
Class 12
PHYSICS
The figure, shows a metre bridge circuit...

The figure, shows a metre bridge circuit, with `AB = 100 cm, x = 12 Ω ` and `R = 18 Omega` and the jockey J in the position of the balance. If R is now made `8 Omega`, through what distance will J have to be moved to obtain balance ?

A

10 cm

B

20 cm

C

30 cm

D

40 cm

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -2 (Level -I) SECTION A- Definition of Current , Current Density , Drift Velocity|6 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -2 (Level-1) SECTION B- Resistance & resistivity , Ohms law +VI (Volt - Curr.) Characteristics +Colour Code +Temp . Dependence|11 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE - 1 (SECTION E- Electrical Power & Energy)|10 Videos

  • CONSTRAINED MOTION

    MOTION|Exercise EXAMPLES|12 Videos

  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos

Similar Questions

Explore conceptually related problems

The figure shows a metre-bridge circuit, with AB = 100 cm, x=24 Omega and R=36 Omega , and the jockey J in the position of balance If R is now made 16Omega , through what distance will J have to be moved to obtain balance?

The figure shows a meter-bridge circuit, X = 12 Omega and R = 18 Omega . The jockey J is at the null point. If R is made 8 Omega through what distance will the the jockey J have to be moved to obtained null point again?

In the Wheatstone bridge network ABCD is balanced when P = 500 Omega, Q = 250 Omega and S = 12 Omega , what is the value of R ?

In the Wheatstone's bridge shown, P = 2 Omega, Q = 3 Omega, R = 6 Omega and S = 8 Omega . In order to obtain balance, shunt resistance across S must be

Figure shows a battery with emf 15 V in a circuit with R_1 = 30Omega, R_2 = 10 Omega, R_3 = 20 Omega and capacitance C = 10 muF . The switch S is initially in the open position and is then closed at time t= 0. What will be the fimal steady - state charge on capacitor?

In a simple meter bridge circuit, the gaps are bridged by cord P and Q having the smaller resistance. A balance is obtained when the jockey makes the coil Q with a resistance of 50Omega , the balance po

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

The figure shows a source (a battery) with an emf E of 12 V with an internal resistance r of 2Omega and an external resistance of 4Omega is added to complete the circuit. What are the voltmeter and ammeter readings

The figure below shows a wheatstone bridge with resistors P and Q having almost equal resistance. When R = 400 Omega , the bridge is in balanced condition. If on interchanging P and Q, the bridge is again balanced for R = 405 Omega , then the value of X is