Physics
Insulators have ……………electrons and conductors have …………… electrons.
- no free, large number of free
- large number of free, no free
- no free, small number of free
- small number of free, no free
Related Questions
In metals, current flows due to the movement of :
- protons
- neutrons
- electrons
- electrons and protons
The conventional current is in a direction …………… the direction of motion of electrons.
- parallel
- normal
- opposite
- none of the above
An insulator of electricity is:
- copper
- acidulated water
- human body
- silk
Select the best insulator among the following
- Pure water
- Human body
- Aluminium
- Mercury