Question

Arun is performing an experiment to understand the concept of Electrical Power. He has designed a circuit for the same purpose. He has two appliances of rating 200 watt-250 volts and 100 watt-250 volts joined in series to a 250 volts supply.

4
19 (i)
Draw the neat circuit diagram showing the important components depicting the arrangement.

19 (ii)
Calculate the current flowing through each appliance.

19 (iii)
Write the formula for the power consumed.

19 (iv)
Determine the total power consumed in the circuit (Answer can be rounded off to the nearest integer)

19 (v)
What is the commercial unit of electric power ​

Answer 1

Answer:

The stator otu 415 v, 50 Hz, 6 pole 970 rpm 3 phase induction motor is fed with normal voltage.

The frequency of the rotor induced emf when the motor is running 900rpm