36. Two lamps rated 200 W/240 V are connected in series
and combined set is connected across 240 V, AC supply
mains. The total power consumed in the circuited is
(a) 400 W
(c) 200 W
(b) 300 W
(d) 100 W
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Answer:a) 400W.Explanation:Since the two bulbs have the same ratings, so 240V will be equally divide into two voltages of 120V each. Now current through the circuit is I=Power/Voltage=200/120=1.67A. Now the total power= Total supplied voltage * line current (current is same because it is a series connection) = 240*1.67 = 400 W
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