20. In India electricity is
supplied for domestic use at
220V. it is supplied at 110V at
USA. If the resistance of a 60W
bulb for use in India is R, the
resistance of 60W watt bulb for
use in USA will be *
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0
Answer:
It is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in India is R, the resistance of a 60 W bulb for use in USA will be(a) R/2(b) R(c) 2R(d) R/4.Mar 2, 2019
Answered by
1
Explanation:
i = v/r
220/60 = 110/x
x = 30 ohms
resistance of bulb in usa is R/2
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