Physics
The rise in temperature of fuse wire depends upon :
- current rating
- radius r
- length of wire
- both (1) and (2)
Related Questions
The purpose of earthing in a household circuit is to :
- provide a connection to appliance
- complete the circuit
- prevent electric shock
- increase the voltage
A fuse wire permits the flow of current through it only up to a certain limit which is called :
- charge rating
- charge limit
- current rating
- none of the above
An alloy of lead and tin is used as the material of the fuse wire because its melting point is …………… and specific resistance is …………… ,
- high, high
- low, high
- low, low
- high, low
The full form of MCB is :
- miniature current breaker
- miniature current board
- miniature circuit breaker
- miniature circuit board