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An Electric Heater is Connected to the 230 V Mains Supply. a Current of 8 a Flows Through the Heater. (B) How Much Energy is Transferred to the Heater Each Second? - Science

An electric heater is connected to the 230 V mains supply. A current of 8 A flows through the heater. 

(b) How much energy is transferred to the heater each second?

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Solution

Here, potential, V = 230 V
Current, I = 8 A

 Energy transferred = Work done, W
Using the relation, V = W/Q:
W = V x Q
= 230 x 8 = 1840 J
Thus, 1840 joules of energy is transferred to the heater each second.

 

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APPEARS IN

Lakhmir Singh Class 10 Physics (Science)
Chapter 1 Electricity
Q 34.2
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