Current Electricity

In the circuit shown in the figure, find the current in $45 \Omega$.

See the electrical circuit shown in this figure. Which of the following equations is a correct equation for it?

The reading of an ideal voltmeter in the circuit shown is

The total power dissipated in watt in the circuit shown here is:

See the electrical circuit shown in this figure. Which of the following equations is a correct equation for it?

Two metal wires of identical dimensions are connected in series. If $v_{1}$ and $v_{2}$ are the conductivities of the metal wires respectively, the effective conductivity if the combination is:

The equivalent resistance of the infinite network given below is:

The resistance in the two arms of the meter bridge are $5\Omega\,$ and $R\Omega\,,$ respectively. When the resistance $R$ is shunted with an equal resistance, the new balance point is at $1.6l_{1}.$ The resistance ' $R$…

A constant voltage of 50 V is maintained between the points A and B of the circuit shown in the figure. The current through the branch CD of the circuit is :-

For the circuit given below, the Kirchhoff's loop rule for the loop $BCDEB$ is given by the equation

In an ammeter $0.2%$ of main current passes through the galvanometer. If resistance of galvanometer is $G,$ the resistance of ammeter will be:

An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be the direction of current, if any, induced in the coil?