Electrical Knowledge by Sachin Sir

Which persnol protective equipment PPE is use for the protection from fumes?

What is the use of mortise chisel?

Direction of rotation of DC motor is determine by

In AC circuit the current drops to zero after

How many laws are there in Faraday's law of electromagnetic induction?

Q) if the length of a cable is doubled its capacitance is  A. Doubled    B. Halved    C. Quadrupled    D.None of the above

Q) The materials used for armouring of an underground cable is  A. Galvanised steel wire    B. Steel tape    C. Aluminium    D. Either A or B

Q) An isolator is meant for A) Breaking abnormal current. B) Making under fault condition. C) Breaking the circuit under no-load condition. D) None of the above.

Q) Basically a lightning arrester is a    A. Surge diverter    B. Surge alternator    C. Surge reflector    D. Surge absorber