GETCO Exam Paper (22-07-2015)
Two heaters rated at 500 W, 250 V each are conneted in series across a 250 V, 50 Hz mains. The total power drawn from the supply would be _____ watt.
In hopkinson test known as regenerative test two identical machine coupled D.C shunt motor D.C shunt generator temperature rise can be check under rated condition large machine can be tested without drawing much power.
EXAMIANS