(b)Calculate the resistance of heater of rating 600 W -120 V
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Answer:
the resistance in the circuit is 24 ohm
Explanation:
we are given that
power = 600 W
potential differences = 120 V
Power = potential difference × current
P=VI
600 = 120 ×I
I= 5 Amphere
from Ohm 's law we know that
V=IR
120 =5 ×R
R = 24 ohm
so the resistance is 24 ohm
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