The ratio of the resistance of a 100 W, 220 V lamp to that of a 100 W, – McqOptions

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1.	The ratio of the resistance of a 100 W, 220 V lamp to that of a 100 W, 110 V lamp will be nearly
A.	2
B.	4
C.	01-02-2015
D.	01-04-2015
Answer» E.

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