CBSE Class 10 Answered
numerical! urgent tmorow is test
Asked by indrayani | 04 May, 2010, 12:43: PM
Expert Answer
Resistance of the electric iron will be equal to the equivalent resistance of the three,
i.e. 1/R = [1/100 + 1/50 + 1/500]
= [(50+100+1)/500]
= 151/500
therefore, R = 500/151 = 3.311 ohm
Current = V/R = 220/3.311 = 66.445 ampere
Hope this helps.
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Answered by | 05 May, 2010, 10:48: AM
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