An electric heater of resistance 6 ohm is run for 10 minutes on a 120 volt line. The energy liberated in this period of time is

An electric heater of resistance 15Omega is run for 8 sec on 120 V line. The energy liberated in this period of time is

An elastic heater of resistance 115ohm is made to work on 230 V supply Calculate the heat generated by this heater if it works for 10 minutes.

Write an expression for the amount of heat produced in a wire of resistance R and carrying a current I for time. An electric heater of resistance 10 ohm draws 15 A from the service mains for 2 hours. Calculate the heat developed in the heater?

An electric heater of resistance 8 ohm draws 15A from the service mains for 2 hours. Calculate the rate at which heat is developed in the heater.

The resistance of a heater coil is 110 ohm . A resistance R is connected in parallel with it and the combination is joined in series with a resistance of 11 ohm to a 220 volt main line. The heater operates with a power of 110 watt. The value of R in ohm is

Write an expression for the amount of heat produced in a wire of resistance R and carrying a current I for time. An electric heater of resistance 10 ohm draws 15 A from the service mains for 2 hours. Calculate the power of the heater.

An electric room heater has a resistance of 25 Omega and operates at 220 V for 12 minutes. Calculate heat energy dissapated by it in kilojoules.

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.

Power of an electric heater is 1000 W and it is run for 1 hour. Calculate the energy consumed by it.

In an electric heater 4 amp current passes for 1 minute at potential difference of 250 volt , the power of heater and energy consumed will be respectively