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Material 1 Material 2 Material 3 0.00703 Ω ·m 0.391 Ω · m 3.51 x 10-5 m 1 2 3

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

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 4OQ: By what factor is the capacitance of a metal sphere multiplied if its volume is tripled? (a) 3 (b)...

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Question

Three resistors are made out of three different materials and have different (but uniform) corss sections. Resistor 1 has a circular cross section of radius 2.90 mm. Resistor 2 has a square cross section with a side length of 1.37 mm. The third resistor's cross section is a right triangle with two sides of length 5.50 mm. All of the resistors are 0.763 cm in length. Use the provided table of resistivities to calculate the resistance of each resistor.

Material 1
Material 2
Material 3
0.00703 Ω ·m
0.391 Ω · m
3.51 x 10-5 m
1
2
3

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