Parallel Combination of Cells

Q. Five conducting parallel plates having area $A$ and separation between them $d$ are placed as shown in figure. Plate number $2$ and $4$ are connected and between points $\text{A}$ and $\text{B}$ a cell of emf $E$ is connected. The charge flow through the cell is

1. $\frac{2}{3}\frac{{ϵ}_{0}AE}{d}$
2. $\frac{4{ϵ}_{0}AE}{d}$
3. $\frac{3}{4}\frac{{ϵ}_{0}AE}{d}$
4. $\frac{{ϵ}_{0}AE}{d}$

Q. A battery consist of a variable number of $n$ identical cells having internal resistance $r$ each. They are connected in parallel. The terminal of battery is short-circuited and the current $I$ is measured. Which of the following graphs give correct relationship between $I$ and $n$?

1. 
2. 
3. 
4. 

Q. Find the potential difference between the points P and Q in the given circuit?

1. 1V
2. 1.55V
3. 2.55V
4. 1.33V

Q. The potential difference between the points P and Q in the given circuit is .

1. 0.44V
2. 1.55V
3. 2.66V
4. 1.33V

Q. If two non-ideal batteries are connected in parallel, the equivalent EMF is smaller than either of the two EMFs.

1. True
2. False

Q. Find the current through $2\text{V}$ battery.

1. $2\text{A}$
2. $4\text{A}$
3. $3\text{A}$
4. $1\text{A}$