A 500W heater is desigened to operatre at 200V potential differnce. It is connected across 160V line, find the heat it will produce in 20 minute.

A 500 W heater is designed to operate at 200 V potential difference. If it is connected across 160 V line, the heat it will produce in 20 minutes is

A 500W electric heater is designed to work with a 200 V line. If the voltage of the line drops to 160V, then what will be the percentage loss of the heat developed?

A 500W electric heater is designed to work with a 200 V line. If the voltage of the line drops to 160V, then what will be the percentage loss of the heat developed?

A resistor of resistance 20 ohm is connected across a potential difference of 20 V for one minute. Calculate the heat produced in the resistor.

A 500 W heating unit is designed to operate from a 200 V line . By what percentage will its heat output drop if the line voltage drops to 160 V ? Find the heat produced by it in 10 min.

A 500 W heating unit is designed to operate from a 200 V line . By what percentage will its heat output drop if the line voltage drops to 160 V ? Find the heat produced by it in 10 min.

A potential difference of 100 v is applied across a wire of resistance 50 ohm for one minute. Find the heat produced in joule.