The energy used by the iron for 2 min is 44kJ at a voltage of 240 volt . How large the current is in the iron ?
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Explanation:
energy = VIt
44 x 1000= 240 x I x 2 x 60..
I = (44x1000)/240 x 120
I=440/24x12
I=110/72
I=55/36A
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