SSC JE Electrical 2018 with solution SET-1
The speed of a synchronous motor can be changed by

Changing the frequency
Changing the supply Terminals
Changing the supply voltage
Changing the load

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 For a dc machine shunt resistance and armature resistance values are

Low and Low
High and Low
Low and High
High and High

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2018 with solution SET-1
 Which one of the following is a passive element to an electric circuit?

Current source
Voltage source
Battery
Resistors

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP