For the following questions answer them individually
The loss associated with the mechanical friction of a machine are called ..........
For a 3-phase load balanced condition, each phase has the same value of ........
A short circuit test on a transformer gives .............
Armature reaction effect causes flux to reduce with ..........
The armature of a DC machine is made of. ...........
DC generators are designed to develop armature voltages not exceeding 650 V because ofthe limitations of. ..........
A step up transformer increases .....
It is economical to transmit electricity at a .........
Rotating magnetic fields are also used in 3phase induction motors rotor developing .........
One of the speed control methods of a 3 phase induction motors is .........