Circuit breaker

A circuit breaker is

• power factor correcting device

• a device to neutralize the effect of transients

• a waveform correcting device

• a current interrupting device.

Low voltage circuit breakers have rated voltage of less than

• 220V

• 400V

• 1000 V

• 10,000 V.

A thermal protection switch provides protection against what?

• Overload

• Temperature.

• Short circuit.

• Overvoltage

Miniature circuit breaker is a small

• fuse

• magnetic switch

• electromagnetic switch

• two way switch

Circuit breakers work

• constantly

• only once

• when there is resistance

• when there is magnetic field

To prevent overload and overheating of wires

• fuses are used

• circuit breakers are used

• fuses and circuit breakers are used

• fuses and resistor are used

Tags

NGSS.MS-PS3-3

ELCB is an abbreviation of

• electrolytic circuit breaker

• earth locking circuit breaker

• earth leakage circuit breaker

• electric leakage circuit breake

Short circuit occurs when the current takes up

• more voltage

• less voltage

• short path

• long path

The function of the circuit breaker is

• To safeguard the circuit

• On and off the circuit

• To save human life

• None of these

A simple enclosed length of wire that has a low melting point is known as

• resistor

• fuse

• circuit breaker

• thermistor

Tags

NGSS.MS-PS3-3