Asked by Veronica
An 8.0 Ω resistor is connected to 20 V.
a. Find I
b. Find how much energy is transformed in 12 minutes
a. Find I
b. Find how much energy is transformed in 12 minutes
Answers
Answered by
R_scott
a. I = e / r = 20 v / 8 Ω = 2.5 A
b. power = E I = 20 V * 2.5 A = 50 W
a Watt is a Joule per second ... 50 J/s * 12 min * 60 s/min = 36 kJ
b. power = E I = 20 V * 2.5 A = 50 W
a Watt is a Joule per second ... 50 J/s * 12 min * 60 s/min = 36 kJ
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