In the circuit shown the cells `A` and `B` have negligible resistance. For `V_(A) = 12 V, R_(1) = 500 Omega` and `R = 100 Omega`, the galvanometer `(G)` shows no deflection. The value of `V_(B)` is

In the circuit shown the cells A and B have negligible resistance. For V_(A) = 12V, R_(1) = 500Omega " and " R = 100 Omega the galvanometer (G) shows no deflection. The value of VB is

In the follwing circuit, two cells have negligible resistances. For V_A = 12 V, R_1 = 500 Omega " and " R = 100 Omega , the galanometer (G) shows no deflection. Calculate the potential of V_B .

In the given circuit the internal resistance of the 18 V cell is negligible. If R_1 = 400 Omega, R_3 = 100 Omega and R_(4) = 500 Omega and the reading of an ideal voltmeter across R_4 is 5 V, then the value of R_2 (in Omega will be _____.

In the circuit shown below E_(1) = 4.0 V, R_(1) = 2 Omega, E_(2) = 6.0 V, R_(2) = 4 Omega and R_(3) = 2 Omega . The current I_(1) is

In the circuit shown below E_(1) = 4.0 V, R_(1) = 2 Omega, E_(2) = 6.0 V, R_(2) = 4 Omega and R_(3) = 2 Omega . The current I_(1) is

In the given circuit the internal resistance of the 18 V cell is negligible. If R_1=400 Omega,R_3=100 Omega and R_4= 500 Omega and the reading of an ideal voltmeter across R_4 is 5 V, then the value of R_2 will be :

In the given circuit the internal resistance of the 18 V cell is negligible. If R_(1)=400 Omega and the reading of an ideal voltmeter across R_(4) is 5V, then the value of R_(2) will be :

In the given circuit the internal resistance of the 18 V cell is negligible. If R_(1)=400 Omega and the reading of an ideal voltmeter across R_(4) is 5V, then the value of R_(2) will be :

In the circuit shown in Fig., the cell is ideal with e.m.f = 2V. The resistance of the coil of the galvanometer G is 1Omega . Then