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Calculate the quantity of heat produced in a 20Ω resistor carrying 2.5A current in 5 minutes.

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+1 vote
1.6k views
in Physics by (70.0k points)

Calculate the quantity of heat produced in a 20Ω resistor carrying 2.5A current in 5 minutes.

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2 Answers

+2 votes
by (72.8k points)
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Best answer

Given : R = 20, I = 2.5A

t = 5minutes = 5 x 60 = 300s

Quantity of heat produced is given as

H = I2 x R x t

= (2.5)2 x 20 x 300

∴ H = 37500J

+2 votes
by (10.8k points)
Heat generated H = I^2RT=2.5^2*20*5*60=37.5kJ
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