2. An electric heater of 1000 works on 230 V supply. Ω a) Write energy change taking place in the electric heater. b) Calculate the electrical energy consumed when heater works for two hours.
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Answer:
the energy change happening is from electrical energy to heat energy
electrical energy consumed = 1000/1000( to convert it into kw) X 2
= 1*2
= 2
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