Question

6. Which of the following is correct?
1. Test charge is infinitesimally small
positive charge
2 Test charge is infinitesimally small
negative charge.
3 Test charge is large negative charge.
4Test charge is large positive charge.​

Answer 1

Answer:

Answer: The magnitude of the test charge must be small enough so that it does not disturb the distribution of the charges whose electric field we wish to measure otherwise the measured field will be different from the actual field.