An electric bulb of resistance 440 ohm is connected to 220 volt mains for 10 hours. Find the amount of electrical energy consumed in BOT unit.

Define BOT unit of electrical energy .

If a current I flows through a resistaance R for time t, then the amount of electrical energy consumed will be

An electric iron which has a resistance of 80 Omega is used on 200V source. Calculate the electric energy consumed in kilowatt hour if it is used for 2 hours-

A heating coil of resistance 100Omega is connected for 30 min to 220 V . By this time determine (i) amount of charge flowing ( ii) amount of electrical energy consumed (iii) amount of heat greanerted .Determine the cost of consumed electrical energy if 1 kW . h costs R.s 1 .

Resistance of 60 watt bulb connected with 220 volt potential difference

An electric bulb rated for 500 watt at 100 volt is connected to a 200 volt supply line . How much resistance has to be joined in seresies with the bulb so that , the bulb delivers 500 watt ?

In a house 8 nos of 60 watt bulb runs for 10 hrs and a 1.5 kw electric iron runs for 15 mins. What is the amount of electric consumed. Cost of 1 unit electric is Rs. 6.

A house is fitted with 10 lamp rated 40w each, 5 fans rated 80 W each and a TV rated 80 W . If all the appliances work for 6 hours per day , how much electrical energy is consumed in a month ? What is its value in BOT unit ? (1month = 30 d )

An electric conductor has a resistance R and its terminal potential difference is V . If charge Q passes through it in time t , then the amount of electrical energy transmitted is

The area of each plate of a parallel plate capacitor is A = 600 cm^2 and their separation is d = 2.0 mm. The capacitor is connected to a 200 V dc source. Find out the uniform electric field between the plates in SI unit?