A resistor with a 15.8 V potential difference across its ends develops thermal energy at a rate of 324 W.
Part A
What is the current in the resistor?
Part B
What is its resistance?
a) power = 324 W
P = VI
324 = 15.8*I
I = 20.5 A
so current is 20.5 A
b) V = IR
R = V/I = 15.8 / 20.5 = 0.77 ohm
A resistor with a 15.8 V potential difference across its ends develops thermal energy at a rate of 324 W.
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