Wednesday, 27 December 2017

Electrical Concepts

1) What is the difference between Cable and wire ?

Answer- Cable is set of conductor and wire is single conductor.

2) We can store power in only DC (Direct Current) and not in AC ( Alternating current)

3) In induction motor 1-Phase motor is not self starting but 3-Phase induction motor is self starting.

4) Load is the anything that consume power that is losses. Example- bulb,fan, motor.

5) 'k' in kW, kVA, kA, kV need to be in smaller case and not as in KW, KVA, KA, KV.

6) Circuit Breaker is the work as a switching device after receiving command from relay it will not sense the abnormality in the system.

7) mili- 10^-3, micro- 10^-6, nano- 10^-9, pico- 10^-12, kilo-10^3, mega-10^6, Gega- 10^9.








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