Electrical

Why do we add water to the earthing pit? Answer Salt and charcoal are added to the earthing pit to

Why do we need sag in transmission lines? Answer: Sag is mandatory in transmission line conductor suspension. This is because

Why are high voltage insulators ribbed? Answer High voltage ceramic insulators are designed with a lower flashover voltage than puncture

Does Neutral Wire Give ElectricalShock or Not? and Why? Answer The neutral wire does carry current in most electrical circuits.

Why use SF6 gas in a circuit breaker? Answer Sulfur hexafluoride (SF6) gas is used in circuit breakers because it

What is a GoodGroundResistanceValue? Answer: The goal in ground resistance is to achieve the lowest ground resistance value possible, that

Why do 3 phase motors not need a neutral? Answer: Three-phase induction motors do not need a neutral because they

In a generator with 2pole, and speed 3000 rpm, what is the frequency of the induced emf? Answer: F =

why capacitor is required for single phase motor? A capacitor is required in a single-phase motor to provide the necessary

Which is more dangerous 230v DC or 230v AC? Answer: 230v DC is more dangerous because it does not have