The equation P= V2/R indicates that the power dissipatedin a resistor decreases if the resistance is increased, whereasthe equation P=I2R implies the opposite. Is there acontradiction here? Explain.
The equation P= V2/R indicates that the power dissipatedin a resistor decreases if the resistance is increased, whereasthe equation P=I2R implies the opposite. Is there acontradiction here? Explain.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 14CQ: The power dissipated in a resistor is given by P = V2/R, which means power decreases if resistance...
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The equation P= V2/R indicates that the power dissipated
in a resistor decreases if the resistance is increased, whereas
the equation P=I2R implies the opposite. Is there a
contradiction here? Explain.
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