Current Electricity and Electrical InstrumentHard
Question
The variation of current (I) and voltage (V) is as shown in figure. The variation of power P with current I is best shown by which of the following graph
Options
A.
B.
C.
D.
Solution
R = 
= slope ↑
So. R ↑
P = I2R
R ↑ P↑
P ∝ I2
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