In a large building, there are 15 bulbs of 45 W, 15 bulbs of 100 W, 15 small fans of 10 W and 2 heater of 1kW. The voltage of the electric mains is 220 V. The minimum capacity of the main fuse of the building will be:

In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 fans of 80 W and 1 heater of 1 kW. The voltage of electric mains is 220 V. The minimum capacity of the main fuse of the building will be :

In a house 15 Bulbs of 45 W, 15 bulbs of 100 W, 15 bulbs of 10 W and Two heaters of 1 KW each is connected to 220 V Mains supply then find minimum fuse current

A lamp of 100 W and a heater of 1 kW are in simultaneous use for 10 hours. The units of electricity consumed according to the meter in the house is:

In the primary circuit of a potentiometer, a cell of E.M.F 1 V and a rheostat of 15 Omega are connected in series. If the resistance of the potentiometer wire is 10 Omega the minimum voltage at the ends of the wire (in V) will be

An electric bulb is rated "220 V, 100 W'. What is its resistance ?

A building connected to a supply of 220 V has 12 ceiling fans of 100 W each, 15 lamps of 20 W each, and 2 air conditioners of 2000 W each. The maximum total current that the building can draw from the supply is _________ A.

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

A light bulb is rated at 100 W for a 220 V ac supply . The resistance of the bulb is

Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series across 220 V source. The net power dissipated is

Two bulbs are marked 220 V, 100 W and 220 V, 50W respectively. They are connected in series to 220 V mains. Find the ratio of heats generated in them.