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4- The power P consumed in a resistor is given by P = V²/R watts. Determine the approximate change in power when Vincreases by 5%and R decreases by 0.5% if the original values of V and R are 50 volts and 12.5 ohms respectively.

4- The power P consumed in a resistor is given by P = V²/R watts. Determine the approximate change in power when Vincreases by 5%and R decreases by 0.5% if the original values of V and R are 50 volts and 12.5 ohms respectively.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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4- The power P consumed in a resistor is given by P = V²/R watts. Determine the approximate change in power when V increases by 5%and R decreases by 0.5% if the original values of V and R are 50 volts and 12.5 ohms respectively.
Transcribed Image Text:4- The power P consumed in a resistor is given by P = V²/R watts. Determine the approximate change in power when V increases by 5%and R decreases by 0.5% if the original values of V and R are 50 volts and 12.5 ohms respectively.
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