For the following questions answer them individually
In the figure shown if we connect a source of 2V with terminals resistance of $$ 1Ω $$ at A'A with positive terminal at A', then the current through R is:
The concentric rings 1 and 2 carrying equal and uniform charge densities revolves at the same angular speed $$ \omega $$ about their common axis passing through O as shown. The ratio of flux densities due to the two rings at O will be:
Two parallel wires separated by a distance 'd' are carrying a DC current 'I' in the same direction. The magnetic field along a line running parallel to these wires and midway between them __________.
A water boiler of home is switched on to the a.c. mains supplying power at 230 V/50 Hz. The frequency of instantaneous power consumed by the boiler is __________.
The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 A, is __________.
A passive 2-port network is in a steady-state. Compared to its input, the steady state output can never offer ________.
In the circuit shown in the figure below, it is desired to have a constangt direct current i (t) through the ideal inductor L. The nature of the voltage source v (t) must be: