2) (a) Determine the SI base units of resistivity (b) A car headlight filament is made of tungsten and has a cold resistance of 0.350 Ω. If the filament is a cylinder 4.00 cm long, what is its diameter? (c) Two charges Q1 & Q2 are separated by a distance D. If both charges are doubled, what happens to the force between the charges?

2) (a) Determine the SI base units of resistivity (b) A car headlight filament is made of tungsten and has a cold resistance of 0.350 Ω. If the filament is a cylinder 4.00 cm long, what is its diameter? (c) Two charges Q1 & Q2 are separated by a distance D. If both charges are doubled, what happens to the force between the charges?

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter16: Installation Of Heating, Cooling, And Refrigeration Systems

Section: Chapter Questions

Problem 2RQ

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