SSC JE 2019-20 Technical Quiz 47

Commutator in DC generator is used for

The reading of wattmeter and ammeter is 1 kW and 10 A respectively in the three phase circuit given below. What is the value of power factor of the circuit, if the circuit is balanced?

DC machine windings are

The emf induced in the dc generator amature winding is

The slip of induction motor 0.04 and frequency of motor 60 hz. Hence, the rotor current frequency

What are the advantages of X transmission system over AC transmission system?

Which of the following is not a standard transmission voltage?

Dielectric strength of rubber is around

The number of conductors in a double circuit transmission line is

Most of the fuses operate due to