Which of the following processes involves the principle of electrostatic induction?
Pollination
Chocolate making
Xerox copying
All of these
When ${10^{19}}$ electrons are removed from a neutral metal plate, the electric charge on it is
Why the metal rods can’t be charged by holding them in hands ?
Mention the $SI$ unit and value of fundamental charge. Write its smaller units.
When a body is earth connected, electrons from the earth flow into the body. This means the body is…..
What are called conductors and non-conductors ? In which free electrons are more ? Conductor or non-conductor.