The resistance of a device component decreases as the current through it increases and it is described by the relation R = \frac{0.2 I}{I-4} where I is the current. Determine the minimum power delivered. (Assume I > 4)

TS EAMCET 06 May 2019 Shift 1 Solved Paper

Section: Physics

Question : 107 of 160

Marks: +1, -0

The resistance of a device component decreases as the current through it increases and it is described by the relation R =

0.2I

I−4

where I is the current. Determine the minimum power delivered. (Assume I > 4)

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