What work will the electric current do in 2 minutes in the lamp, if the voltage is 220 V and the current is 0.2 A?
| December 29, 2020 | education
To solve this problem, we will use the equation for the amount of heat released in the circuit section.
It states that the amount of heat is proportional to voltage, current and time, i.e. Q = U * I * t = 220 * 0.2 * 120 = 44 * 120 = 5280J
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