Question

10 ohm electric heater operates on 110v line.The rate at which heat is developed

Answer 1

I hope this answer is correct

Answer 2

Given that,

Resistance of electric heater, R = 10 ohms

Voltage, V = 110 V

To find,

Rate of development of heat.

Solution,

Due to flow of electric current, heat is developed in the resistor. It is given by :

$H=I^2Rt$

Rate of development of heat,

$\dfrac{H}{t}=I^2R\\\\\dfrac{H}{t}=\dfrac{V^2}{R^2}\times R\\\\\dfrac{H}{t}=\dfrac{V^2}{R}\\\\\dfrac{H}{t}=\dfrac{(110)^2}{10}\\\\\dfrac{H}{t}=1210\ J/s$

So, the rate of development of heat is 1210 J/s.

Learn more,

10 ohm electric heater operates on 110 V line.The rate at which heat is developed ?

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