how many 176 ohm resistors ( in parallel) are required to carry 5 ampere on a 220 volt line
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R = V/I
R = 220/5
R = 44 ohm
1/R = 1/R1 +.......... +1/Rn
= x/176
1/44 = x/176
176 = 44x
x = 176/44
= 4 resistors.
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