Combination of Resistor

A wire of  $20\Omega$  resistance is gradually stretched to double its original length. It is then cut into two equal parts. These parts are then connected in parallel across a 4.0 volt battery. The current drawn from the battery is:

A (i) series (ii) parallel combination of two given resistors is connected, one – by – one, across a cell. In which will the terminal potential difference, across the cell, have a higher value?

(i) Calculate the equivalent resistance of the given electrical network between points $A$ and $B$.

(ii) Also calculate the current through $CD$, if a $10 \mathrm{V} DC$ source is connected between $A$ and $B$, and the value of $R$ is assumed as  $2\Omega$.

A battery of emf $10 \mathrm{V}$ is connected to resistances as shown in the figure. The potential difference between points A and B is

The circuit shown here has two batteries of $8.0 \mathrm{V}$ and $16.0 \mathrm{V}$ and three resistors $3 \mathrm{\Omega }, 9 \mathrm{\Omega }, 9 \mathrm{\Omega }$ with a capacitor $5 \mathrm{\mu }$. How much is the  current $I$ in the circuit at steady state 

$10$ resistors, each of resistance $R$ are connected in series to a battery of emf $E$ and negligible internal resistance. Then those are connected in parallel to the same battery, the current is increased $n$ times. The value of $n$ is:

The current flowing through $R_2$ is :

The equivalent resistance between $\mathrm{A}$ and $\mathrm{B}$ as shown in figure is:

The effective resistance in the given circuit between $A$ and $B$ points is

Find the reading of ideal ammeter

Find the current flowing in $3 \mathrm{\Omega }$ resistor in the given circuit.

Find the equivalent resistance between points $A$ and $B$ for the following figure.

The equivalent resistance of the network shown in figure between$A$and $B$ is 

The current $I$ in the circuit is

As shown in the figure, a network of resistors is connected to a battery of $24 \mathrm{V}$ with an internal resistance of $3 \Omega$. The currents through the resistors $R_4$ and $R_5$ are $I_4$ and $I_5$ respectively. The values of $I_4$ and $I_5$ are:

The equivalent resistance between A and B is 

The equivalent resistance of the arrangement of resistances shown in adjoining figure between the points A and B is

Four identical resistors each of resistance $2 \mathrm{\Omega }$ are connected to battery of $20 \mathrm{V}$and internal resistance $2 \mathrm{\Omega }$ as given below. The reading of ideal ammeter $A_1$ and $A_2$ are