Calculate the heat developed in a conductor in two minutes if the device of resistance 600 ohm working under 220v
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Answer:
Given :- r = 600 ohm, t= 2 min. = 120 sec., v = 220 volts
Heat = v^2t / r
= (220)^2 * 120 / 600
= 48400 * 5808000 / 600
= 48400 * 9680
= 468512000 joules
= 4.68512000 * 10^-8 joules
= 4.7 * 10^-8 joules
Explanation:
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