how many 176 ohm resistors in a parallel are required to carry 5 a on a 220 v line?
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Answer:
Four resistances
Explanation:
Let n number of resistances are applied in a parallel combination.
Then their equivalent resistance = 176/n ohms
According to ohm's law :
Req = V/I
176/n = 220/5
176/n = 44
So, n = 176/44
n = 4 resistances
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