Electrical

Why are crushed stones alongside railway tracks? Answer: The crushed stones alongside railway tracks are called ballast. They provide a

Why is there only a 3-Phase system? Why not 6-phase, 9-phase, or some other number of phases? Answer: A three-phase

why do we need a starter? to start a dc motor? Answer: A starter is necessary to start a DC

what is this called and what used for? Answer: The main function of a suspension insulator is to support the

How can one protect themselves from an electric shock? Answer: By touching /coming in contact with an insulator.

The equivalent resistance between Point L to m in the network is shown in the: Choose: a/ 2 Ohms b/

What will happen if we Connect a 1000mfd capacitor to a ceiling fan? Answer: Connecting a 1000mfd capacitor to a

why does a capacitor block the DC and passes the AC? Answer: A capacitor blocks DC current because when a

The ceiling fan capacitor is 2.25uf what will happen if we connect a capacitor of 2.5uf? Answer: It is possible

What is the indication of 100A & 100 MA?? Answer: It is a 4P circuit breaker with 100A In rated