An electric geyser has rating 2000W, 220V marked on it. What should be the minimum rating in whole number of a fuse wire, that may be required for safe use with this geyser.?

An electric iron has a rating 750 W, 220V. It is used for 5 hours daily. Calculate its resistance while glowing?

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be -

An electric bulb is rated 220 V and 100 W. when it is operated on 110 V, the power consumed will be

The energy spent by an electric device is at a rate of 1000 W when heating is at the maximum rate and 300 W when heating is minimum. The voltage is 200 V. What are the current and the resistance in each case?

An electrical appliance of 1000 W is used 6 hours/day. What is the electricity bill of the appliance in one day it the rate charged by electricity board is Rs.4/unit?

An electric kettle consumes 1kW of electic power when operated at 220 V. A fuse wire of the what rating must be used for it?

An electric bulb is rated 220V and 100 W. what is its resistance? Five such bulbs burn for 4 hours. What is the electrical energy consumed? Calculate the cost if the rate is 50 paise per unit.

Calculate the resistance of a bulb rated 100 W, 220V. What is the current flowing in the bulb when connected across a potential difference of 220 V?

In a household electric circuit, different appliances are connected in parallel to one another. Give two reasons An electrician puts a fuse of rating 5A in that part of domestic electrical circuit in which an electrical heater of rating 1.5 kW, 220V is operating. What is likely to happen in this case and why? What change, if any, needs to be made?