1. When you connect a single resistance R in a single-loop with a power supply, the current is measured at 5.0 A. When you connect an additional resistance of 2.0 2 is put into the circuit in series with R, the current decreases to 4.0 A. What is R?
1. When you connect a single resistance R in a single-loop with a power supply, the current is measured at 5.0 A. When you connect an additional resistance of 2.0 2 is put into the circuit in series with R, the current decreases to 4.0 A. What is R?
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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