The electric field at a point is:
| a. | always continuous |
| b. | continuous if there is no charge at that point |
| c. | discontinuous only if there is a negative charge at that point |
| d. | discontinuous if there is a charge at that point |
1. (a, b)
2. (b, d)
3. (c, d)
4. (a, d)
(2) Hint: The electric field lines originate from a positive charge and end at a negative charge.
The electric field due to a charge Q at a point in space may be defined as the force that a unit positive charge would experience if placed at that point. Thus, the electric field due to the charge Q will be continuous, if there is no charge at that point. It will be discontinuous if there is a charge at that point.
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