On the section of the circuit with a current of 2 A and an electrical resistance of 5 Ohm Find the power of the electric current.
| December 1, 2020 | education
P-?
I = 2A
R = 5Ω
P = I * U;
From Ohm’s law (I = U / R) we obtain that
U = I * R;
We substitute in the first formula and get
P = I ^ 2 * R
P = 25A ^ 2 * 5Ω = 125W
Answer: 125W
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