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Two bulbs are marked 100W, 220V and 60W, 110V. Calculate the ratio of their resistances.

+2 votes
in Class 10 by kratos

Two bulbs are marked 100W, 220V and 60W, 110V. Calculate the ratio of their resistances.

1 Answer

+4 votes
by kratos
 
Best answer

= ((220)2 x 60)/(100 x 110 x 110) = 2.4

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