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Q.

Power in terms of current and resistance is defined as?


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a

IR

b

I3R

c

I2R

d

I4R 

answer is C.

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Detailed Solution

Power in terms of current and resistance is defined as I2R.
The expression for power in terms of current and voltage is,
 Power, P = V X I 
 P = IR X I 
       ⇒ P= I2R
 The rate at which electrical energy dissipates in an electric circuit is called electric power.
So the correct option is 3.
 
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