Physics
The presence of …………… in the path makes a circuit incomplete and current does not flow.
- conductor
- ammeter
- voltmeter
- insulator
Related Questions
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
An insulator of electricity is:
- copper
- acidulated water
- human body
- silk
Select the best insulator among the following
- Pure water
- Human body
- Aluminium
- Mercury
Connecting wires are made of substances that have :
- highly conducting material
- negligible resistance
- free electrons in a large number
- all of these