Question

An electric heater of resistance 230ohm is connected to 230v supply. Calculate the heat energy produced by it in 2 seconds?



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Answer 1

Answer:

Given :

• Resistance of the electric heater = 230 ohms = R

• Voltage or the potential difference = 230 volts = V

• Time = 2 second = t

To find :

• Heat energy produced by the heater in 1 second

$\sf\red{Heat energy = V×I×t}$

Using ohms law :

$\sf\red{V=I×R}$

$\sf\red{230=I×230}$

$\sf\red{I = 1 amper}$

The current passing through the heater is 1 ampere

Now using the formula :

$\sf\red{Heat = 230×2×2}$

$\sf\red{Heat = 230 Joules}$

The heat energy produced is equal to 230 joules

Note: this can also be found with the formula I²RT

Answer 2

Answer:

Hear is your Answer xD....

Step by step Explaination: