(C) Calculate the total energy consumed by the two lamps together
25. An electric kettle connected to the 230 V mains supply draws a current of 10 A. Calculate :
(a) the power of the kettle.
(b) the energy transferred in 1 minute.
26. A 2 kW heater, a 200 W TV and three 100 W lamps are all switched on from 6 p.m. to 10 p.m. What is the
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2 kW heater, a 200 W TV and three 100 W
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