The resistance of a coil for DC is `5Omega` . In case of AC, the resistance will

The resistance of a coil for D.C. is in ohms. In A.C. the resistance ......

The resistance of a coil for DC is in ohms. In AC, the resistance

The resistance of a heater coil is 110 Omega . A resistance R is connected in parallel with it and the combination is joined in series with a resistance of 11 Omega to a 220 V main line. The heater operates with a power of 110 W . The value of R in Omega is

Resistance of a Galvanometer coil is 8Omega and 2Omega Shunt resistance is connected with it. If main current is 1 A then the current flow through 2Omega resistance will be :

The resistance of the coil of a tangent galvanometer is 60Omega . It is connected to a battery of negligible internal resistance. The deflection is found to be 60^(@) . Now a shunt resistance of 30Omega is connected across the coil of the tangent galvanometer. The deflection produced will be

Two coils connected in series have a resistance of 18Omega and when connected in parallel have a resistance of 4Omega . Find the value of individual resistance of the coils.

A technician has onlytwo resistance coils. By using them singly, in series or in parallel, he is able to obtain the the resistance 3 Omega,4 Omega,12 Omega and 16 Omega . The resistance of two coils are:

In a series D.C. circuit has core of a reactance of 8Omega and a resistance of 6Omega . The effective resistance of the circuit will be …..