For which value of resistance $R$ galvanometer shows zero deflection for following below electrical circuit.

Two batteries with e.m.f. $12 \mathrm{V}$ and $13 \mathrm{V}$ are connected in parallel across a load resistor of $10 \mathrm{\Omega }$. The internal resistance of the two batteries are $1 \mathrm{\Omega }$ and $2 \mathrm{\Omega }$ respectively. The voltage across the load lies between, 

Four resistance $40 \mathrm{\Omega },60 \mathrm{\Omega },90 \mathrm{\Omega }$ and $110 \mathrm{\Omega }$ and  make the arms of a quadrilateral $ABCD$. Across $AC$ is a battery of emf $40 \mathrm{V}$ and internal resistance negligible. The potential difference across $BD$ in $\mathrm{V}$ is __________

When a capacitor is fully charged as shown in the following figure, then current drawn from the cell is

In the figure shown, the current in the $10 \mathrm{V}$ battery is close to :

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

The figure below shows currents in a part of electric circuit. The current $i$ is

In the given circuit, the electric currents through $15 \mathrm{\Omega }$ and $6 \mathrm{\Omega }$ respectively are

In the following network, $I_1=-0.4 \mathrm{A}, I_4=1 \mathrm{A}$  and $I_5=0.4 \mathrm{A}.$ The values of $I_2, I_3$ and $I_6$ respectively are

A current of $0.1 \mathrm{A}$ flows through a $25 \mathrm{\Omega }$ resistor represented by the circuit diagram. The current in the $80 \mathrm{\Omega }$ resistor is: