8. a. What is the resistance of this platinum cylinder (resistivity at 20°C of 1.06x10-77 cmQm) when the current is in the direction drawn and it is at 20°C?[3.8x10-6 N]2.5 cm117 cm2.5 cm b. The cylinder is then cut in half as shown to the left. What is the resistance now?↑ titc. The cylinder is instead cut in half as shown to the right. What is the resistance2.5 cm3.5 cmnow?

Given Data: Resistivity (ρ) = 1.06 × 10-7 Ωm Length (L) = 7 cm = 0.07 m Radius (r) = 2.5 cm = 0.025…

Answered: 7 cm 8. a. What is the resistance of…

7 cm 8. a. What is the resistance of this platinum cylinder (resistivity at 20°C of 1.06x10-7 Qm) when the current is in the direction drawn and it is at 20°C? [3.8x10-6 2] 2.5 cm 7 cm 2.5 cm

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 33PE: a) Of what material is a wire made, if it is 25.0 m long with a 0.100 mm diameter and has a...

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Question

100%

8. a. What is the resistance of this platinum cylinder (resistivity at 20°C of 1.06x10-7
7 cm
Qm) when the current is in the direction drawn and it is at 20°C?
[3.8x10-6 N]
2.5 cm
11
7 cm
2.5 cm

b. The cylinder is then cut in half as shown to the left. What is the resistance now?
↑ tit
c. The cylinder is instead cut in half as shown to the right. What is the resistance
2.5 cm
3.5 cm
now?

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