In the simplified slide-wire Wheatstone Bridge Circuit shown below , the sliding contact C was at the 40cm mark when G reads zero and R = 102 , a) What is the unknown resistance Ry ? b) If R = 5 Q and the same unknown resistance in a) is measured , on what mark will the sliding contact C be to make the galvanometer reading zero? + • power supply 0 cm 100 cm G Rs Rx Lx Rs Note: Ry = Where: Ly: length of the slide parallel with the unknown resistance, R. L;: length of the slide parallel with the standard resistor, R,

In the simplified slide-wire Wheatstone Bridge Circuit shown below , the sliding contact C was at the 40cm mark when G reads zero and R = 102 , a) What is the unknown resistance Ry ? b) If R = 5 Q and the same unknown resistance in a) is measured , on what mark will the sliding contact C be to make the galvanometer reading zero? + • power supply 0 cm 100 cm G Rs Rx Lx Rs Note: Ry = Where: Ly: length of the slide parallel with the unknown resistance, R. L;: length of the slide parallel with the standard resistor, 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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