Question

Q1. A microwa kive has a rating 5 k VA, 240 V.
a) what is the electrical energy consumed by it in 90 min, in i) kWh, and ii) joule.
b) if the cost of electricity is Rs. 4.50 pal commercial unit, find the cost​

Answer 1

Answer:

a geyser has a rating 2 kilowatt 240 V what is a cost of using it for 15 minutes if the cost of electricity is rupees 4 per unit

2