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Calculate the Quantity of Heat Produced in a 20 Omega Resistor Carrying 2.5 a Current in 5 Minutes. - Physics

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

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Solution

Given : R = 20Ω, I = 2.5 A

t = 5 minutes  = 5 x 60 = 300 s

Quantity of heat produced is given as

H = I2Rt

= (2.5)2 x  20 x 300

∴ H = 37500 J

Concept: Concepts of Pd (V), Current (I), Resistance (R) and Charge (Q).
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