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One unit is equal to _______ watt hour
1000
Polyphase means _____ phase.
Multi
A circuit beraker is a _______ device.
Protection
MCCB means_______
Module Case Circuit Breaker
RCCB means
Residual Current Circuit Breaker
In 3Φ system, voltage between R phase and B phase is
415 VAC
Unit of frequency is ______
Hertz
___ MFD capacitor is used in table fan.
2.5
The property of a material which opposes free flow of electrons through it is called
Resistance
The free flow of electrons through a conductor is called
Current
A substance which cannot pass current through it under normal conditions is termed as an ____
Insulator
