Calculate the power in the 1 ohm resistor. What do I do?
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Answer:
p1 = 9 watt
Explanation:
first find the current :
i = V/r1 +r2 = 12 / (1+3) = 3 A
Next, find the voltage in the 1 ohm resistor:
V1 = r1 * i = 1 * 3 = 3 volt
Now calculate power in the 1 ohm resistor :
P1 = i * V1 = 3 * 3 = 9 watt