Current Electricity

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Houses made of concrete roofs overlaid with foam keep the room hotter during summer. Reason R: The layer…

In the given circuit, the current in resistance $R_{3}$is:

Equivalent resistance of the following network is ________$\Omega\,$.

The equivalent resistance between the points $A$ and $B$ in the following circuit is $\frac{x}{5} \Omega$. The value of $x$ is $\_\_\_\_$?

Twelve wires each having resistance $2 \Omega$ are joined to form a cube. A battery of $6 \mathrm{~V}$ emf is joined across point $a$ and $c$. The voltage difference between $e$ and $f$ is ______V.

In the circuit diagram shown in figure given below, the current flowing through resistance $3\Omega\,$is $\frac{x}{3}A$. The value of $x$ is ________.

A galvanometer having coil resistance $10\Omega\,$shows a full scale deflection for a current of $3\mathrm{mA}$. For it to measure a current of $8A$, the value of the shunt should be:

A potential divider circuit is shown in figure. The output voltage $V_{0}$is

For the given circuit, in the steady state,$\left|V_{B}-V_{D}\right|=$_____ $V$.

The net current flowing in the given circuit is_______ A?

In the given circuit, the current $I$through the battery will be

In a metre-bridge when a resistance in the left gap is $2\Omega\,$and unknown resistance in the right gap, the balance length is found to be $40\mathrm{cm}.$On shunting the unknown resistance with $2\Omega\,,$the…