What is the current in a conductor with a resistance of 10 ohms if the current power in it is 40 watts.
| November 29, 2020 | education
Given: R = 10 Ohm, P = 40 W
Find: I
Decision:
find the current strength by the formula P = I ^ 2 • R, hence I ^ 2 = P: R, I = √P: R, I = √40: 10, I = 2 A
Answer: 2A
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