A electric iron consumes energy at the rate of
(a) `840 W` when heating is at the maximum rate and
(b) `360 W` when the heating is at the minimum. The voltage is `220 V` What are the current and the resistance in each case ?

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

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

An electric iron consumes energy at the rate of 420 W when heating is at the maximum rate and 180 W when heating is at the minimum rate. The applied voltage is 220V. What is the current in each case.

The energy spent by an electric device is at a rate of 1000 W when heating is at the maximum rate and 300 W when heating is minimum. The voltage is 200 V. What are the current and the resistance in each case?

(i) An electric iron consumes energy at the rate of 420W when heating is at the maximum rate and 180W when heating is at the minimum rate. The applied voltage is 220 V. what is the current in each case? (ii) What is co-efficient of real expansion?

State joule's law. An electric iron consumes energy at rate of 420w when heating is at maximum rate and 180 w when heating Is at minimum. The voltage is 220V .What is the current and resistant in each case?