Wheatstone Bridge
Trending Questions
Q. In the electrical circuit shown in figure the current through the galvanometer will be zero if the value of resistance x is 

- 16 ohm
- 4 ohm
- 8 ohm
- 24 ohm
Q. In the network shown in the figure each of resistance is equal to 2Ω. The resistance between A and B is


- 1Ω
- 3Ω
- 4Ω
- 2Ω
Q. In Wheatstone's bridge P=9ohm, Q=11ohm, R=4ohm and S=6ohm. How much resistance must be put in parallel to the resistance S to balance the bridge
- 26.4 ohm
- 24 ohm
- 44/9 ohm
- 18.7 ohm
Q. Consider the following statements regarding the network shown in the figure.

(1) The equivalent resistance of the network between points A and B is independent of the value of G.
(2) The equivalent resistance of the network between points A and B is 43R.
(3) The current through G is zero.
Which of the above statement(s) is/are true?

(1) The equivalent resistance of the network between points A and B is independent of the value of G.
(2) The equivalent resistance of the network between points A and B is 43R.
(3) The current through G is zero.
Which of the above statement(s) is/are true?
- (2) and (3)
- (2) alone
- (1), (2) and (3)
- (1) alone
Q. The P.D between A and B will be zero when the resistance R is


- 4.5 ohm
- 12 ohm
- 9 ohm
- 6 ohm
Q. A, B, C ad D are four resistances of 4, 4, 4 and 8Ω respectively. They are used to form a wheatstone bridge.The resistance D is short circuited with a resistance R in order to get the bridge balanced. The value of R will be
- 4Ω
- 6Ω
- 8Ω
- 3Ω
Q. Find the resistance of the circuit shown below figure between points A and D.


- 2R3Ω
- 5RΩ
- 5R2Ω
- RΩ
Q. The figure shows a circuit diagram of a ‘Wheatstone Bridge’ to measure the resistance G of the galvanometer. The relation PQ=RG will be satisfied only when


- The galvanometer shows a deflection when switch S is closed
- The galvanometer shows no change in deflection whether S is open or closed
- The galvanometer shows no deflection
- The galvanometer shows a deflection when switch S is open
Q. Four resistances P, Q, R, X formed wheat stone bridge. The bridge is balanced when R=64Ω. If P and Q are inter changed to bridge is balanced for R=144Ω. The value of ‘X’ is
- 96Ω
- 300Ω
- 200Ω
- 110Ω
Q.
In the given circuit, it is observed that the current I is independent of the value of the resistance R6. Then the resistance values must satisfy
(IIT-JEE 2001)
R1R2R5=R3R4R6
1R5+1R6=1R1+R2+1R3+R4
R1R4=R2R3
R1R3=R2R4=R5R6