Current passing through `3 Omega` resistance is

Current passing through 1 Omega resistance is zero. Then the emf E is

Current passing through 1 Omega resistance is zero. Then the emf E is

Current passing through 1Omega resistance is zero. The the emf E is

For what value of R in the circuit as shown, current passing through 4 Omega resistance will be zero

When 10 A current passes through 12 Omega resistance, maximum voltage across it is ……..

A resistance of 2 Omega is connected in parallel to a galvanometer of resistance 48 Omega . The fraction of the total current passing through the resistance of 2 Omega is