Current (in $A$) in each $3\Omega$ resistance is_______

Equivalent resistance (in $\Omega$) between points $A$ and $B$ is_______ (Given $r=10\Omega$)

The equivalent resistance (in $\Omega$) between points $A$ and $B$ would be_______

(Approximate the answer to two decimal places)

In the following figure, the current in arm $AB$ is_______

At $t=0$, capacitor is uncharged. If current through capacitor as function of time is $\frac{2V}{3R}{e}^{-\frac{2t}{NRC}}$ then find $N$_______

Consider the circuit shown in figure. The current flowing in the branch $cd$ is $\frac{E}{Nr}$, value of $N$ is_______

In the situation shown in figure, an ideal ammeter is connected across $7\Omega$ resistors. Select the correct statement from the following

What is the resistance of voltmeter shown in the circuit?