Question 1:
Write down the different losses take place in a transformer. Originate the condition for maximum efficiency of a transformer.
Question 2:
How do you find out regulation of the attenuator using synchronous impedance technique? Discuss.
Question 3:
Illustrate the slip torque characteristics of three-phase induction motor.
Question 4:
Illustrate out the construction and principle of operation of
a) PMMC
b) Moving iron instruments with the aid of diagram.