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

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 3P: The quantity of charge q (in coulombs) that has passed through a surface of area 2.00 cm2 varies...

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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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