How much heat will be released in a conductor with a resistance of 1 Ohm within 30 seconds at a current of 4 A?
| September 24, 2021 | education
Given; Resistance R = 1Ω. Time t = 30s, Current I = 4 Amperes
According to the Joule-Lenz law, the amount of released heat Q is directly proportional to the square of the current, the resistance of the conductor and the heating time Q = I ^ 2 * R * t, we substitute the values into the formula and we get.
Q = 4 * 4 * 1 * 30 = 240 J.
Answer. in a conductor with a resistance of 1 Ohm, 240 J will be released in 30 seconds.
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