A capacitor of \(4~\mu\text{F}\) is connected as shown in the circuit. The internal resistance of the battery is \(0.5Q\). The amount of charge on the capacitor plates will be:

1. \(0\)
2. \(4~\mu\text{C}\)
3. \(16~\mu\text{C}\)
4. \(8~\mu\text{C}\)

 
Which of the following is a correct statement?

The figure shows some equipotential lines distributed in space. A charged object is moved from point \(A\) to point \(B\).

Choose the correct option:

Equipotentials at a great distance from a collection of charges whose total sum is not zero are approximately:
1. spheres
2. planes
3. paraboloids
4. ellipsoids

Consider a uniform electric field in the \(z\text-\)direction. The potential is a constant:

 
Choose the correct option:

Choose the correct option:

In a region of constant potential:

Choose the correct option:

In the circuit shown in the figure initially, key \(K_1\) is closed and key \(K_2\) is open. Then \(K_1\) is opened and \(K_2\) is closed (order is important).
(Take \(Q_1\) and \(Q_2\) as charges on \(C_1\) and \(C_2\) and \(V_1\) and \(V_2\) as voltage respectively.)

Choose the correct option:
1. (a), (d)
2. (a), (b), (c)
3. (b), (d)
4. (a), (b), (c), (d)

If a conductor has a potential \(V\neq 0\)  and there are no charges anywhere else outside, then:

Choose the correct option:
1. (a), (d)
2. (a), (b), (c)
3. (a), (b)
4. (a), (b), (c), (d)

Choose the correct option(s).