An electric iron consumes energy at a rate of 840W when heating is at the maximum rate and 360W when the heating is at the minimum rate. The applied voltage is 220V. What is the value of current and resistance in each case?
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An electric iron consumes energy at a rate of 840W when heating is at the maximum rate and 360W when the heating is at the minimum rate. The applied voltage is 220V. What is the value of current and resistance in each case?
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