In the given circuit all resistors are identical. Their resistance is equal to $20 \mathrm{\Omega }$. Find the equivalent resistance between $\mathrm{A}$ and $\mathrm{B}$ (in $\mathrm{\Omega }$).

Thirteen resistors each of resistance $R$ are connected in the circuit as shown in the following figure. Net resistance between $A$ and $B$ is

The equivalent resistance between $A$ and $B$ for the mesh shown in the figure is

Five equal resistances are connected in a network as shown in figure. The net resistance between the points $A$ and $B$ is :

In the given circuit, the current through $2 \mathrm{\Omega }$ resistor is

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What will be the equivalent resistance between the terminals $A$ and $B$ of the infinite resistive network shown in the figure ?

Each resistance in the given cubical network has resistance of $1\mathrm{\Omega }$ and equivalent resistance between $A$ and $B$ is

The equivalent resistance of series combination of two resistors is $s.$ When they are connected in parallel, the equivalent resistance is $p.$ If $s=np,$ then the minimum value for $n$ is ______.

(Round off to the Nearest Integer)

Calculate the effective resistance across AB.

The diagram above shows a circuit with the key k open.

 Calculate the resistance of the circuit when the key k is closed.

 Calculate the current drawn from the cell when the key k is closed.

A current of $6 \mathrm{A}$ enters one corner $P$ of an equilateral triangle $PQR$ having $3$ wires of resistance $2 \mathrm{\Omega }$ each and leaves by the corner $R.$ The currents $i_1$ in ampere is

Two lamps, one rated $100 \mathrm{W}$ at $220 \mathrm{V}$, and the other $60 \mathrm{W}$ at $220 \mathrm{V}$, are connected in parallel to the electric mains supply. What current is drawn from the line if the supply voltage is $220 \mathrm{V}$?

The four arms of a Wheatstone bridge have resistances as shown in the figure. A galvanometer of $15\Omega$ resistance is connected across BD. Calculate the current through the galvanometer when a potential difference of $10 \mathrm{V}$ is maintained across AC.

In the figure given, the electric current flowing through the $5 \mathrm{k\Omega }$ resistor is $x$ $\mathrm{mA}$.

The value of $x$ to the nearest integer is ________.

The diagram above shows a circuit with the key k open. Calculate the resistance of the circuit when the key k is open and calculate the current drawn from the cell when the key k is open.

Six similar bulbs are connected as shown in the figure with a DC source of emf $E$, and zero internal resistance.
The ratio of power consumption by the bulbs when $\left(\mathrm{i}\right)$ all are glowing and $\left(\mathrm{ii}\right)$ in the situation when two from section $A$ and one from section $B$ are glowing will be,