Physics-10th Electricity CBSE Board 2023 Medium
(a) An electric iron consumes energy at a rate of 880 W when heating is at the maximum rate and 330 W when th…
- (a)An electric iron consumes energy at a rate of 880 W when heating is at the maximum rate and 330 W when the heating is at the minimum. If the source voltage is 220 V, calculate the current and resistance in each case.
- (b)What is heating effect of electric current ?
- (c)Find an expression for the amount of heat produced when a current passes through a resistor for some time.
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