a resistance have a resistance of 176ohm how many of these resistor should be connected in parrallel so that their combination draw a current of 5ampere from 220v of suplied lines
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Total effective resistance(R)= Voltage/ Current
=220V/5 A= 44Ω
Let the no. of resistors used be n
Then,
1/44= 1/176 + 1/176 + 1/176 ....n times
1/44= n/176
44n=176
n=176/44=4
∴Hence,4 resistors should be connected.
=220V/5 A= 44Ω
Let the no. of resistors used be n
Then,
1/44= 1/176 + 1/176 + 1/176 ....n times
1/44= n/176
44n=176
n=176/44=4
∴Hence,4 resistors should be connected.
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