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A current of 4 A flows through a 12 V car headlight bulb for 10 minutes. How much electrical energy is consumed during this time? |
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Answer» Solution :Given : Current (I)= 4A, Potential DIFFERENCE (V) = 12 V, TIME (t) = 10 minutes =10 x 60 = 600s To find:Electric energy consumed FORMULA:Electric energy consumed = work done = Vlt Solution :Electric Energy consumed = Vlt= 4 X 12 x 600=28800 J `therefore` Electric energy consumed is 28800 J |
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