How much energy is consumed when a current of 5 A flows through the filament of a heater having a resistance of 100 ohms for 2 hours? Express it in joule.
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Let us see which equation is gonna help us here-
It is I2Rt.
I = 5A
R = 100 ohms
t = 2hrs = (3600)2 seconds = 7200 seconds
Let us substitute the values:
I2Rt = (5)squared into 100 * 7200
= (25)(100)(7200)
= 2500 * 720 = 18000000
= 1.8 x 10 raised to the power of 7.
Hope this helps.
It is I2Rt.
I = 5A
R = 100 ohms
t = 2hrs = (3600)2 seconds = 7200 seconds
Let us substitute the values:
I2Rt = (5)squared into 100 * 7200
= (25)(100)(7200)
= 2500 * 720 = 18000000
= 1.8 x 10 raised to the power of 7.
Hope this helps.
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