Which of the following processes involves the principle of electrostatic induction?
Pollination
Chocolate making
Xerox copying
All of these
Which is the instrument to detect the charge on the body ? Explain it with diagram.
How much positive and negative charge is there in a cup of water $(250\;gm)$?
Give examples of non-conductors and conductors.
A soap bubble is given a negative charge, then its radius
The electric charge in uniform motion produces