A body has $-\, 80$ $micro\, coulomb$ of charge. Number of additional electrons in it will be
$8 \times {10^{ - 5}}$
$80 \times {10^{ - 17}}$
$5 \times {10^{14}}$
$1.28 \times {10^{ - 17}}$
Which scientist represented the types of charges ?
What is quantization of charge ? What is the reason of quantization ?
What is Greek meaning of electrics ?
Mention types of methods of charging the body.
Which is the instrument to detect the charge on the body ? Explain it with diagram.