1. | \(180^\circ\) | 2. | \(0^\circ\) |
3. | \(45^\circ\) | 4. | \(90^\circ\) |
The diagrams below show regions of equipotential.
A positive charge is moved from \(\mathrm{A}\) to \(\mathrm{B}\) in each diagram. Choose the correct statement from the options given below:
1. | in all four cases, the work done is the same. |
2. | minimum work is required to move \(q\) in figure (a). |
3. | maximum work is required to move \(q\) in figure (b). |
4. | maximum work is required to move \(q\) in figure (c). |
Consider a uniform electric field in the \(\mathrm{z}\)-direction. The potential is a constant:
a. | in all space. |
b. | for any \(\mathrm{x}\) for a given \(\mathrm{z}.\) |
c. | for any \(\mathrm{y}\) for a given \(\mathrm{z}.\) |
d. | on the \(\mathrm{x-y}\) plane for a given \(\mathrm{z}.\) |
Choose the correct option:
1. | (c), (d) |
2. | (a), (c) |
3. | (b), (c), (d) |
4. | (a), (b) |