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Solutions for College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs 9781938168000

Solution for problem 22CQ Chapter 20

An electrified needle is used to burn off warts, with the

College Physics | 1st Edition


Problem 22CQ

 Problem 22CQ

An electrified needle is used to burn off warts, with the circuit being completed by having the patient sit on a large butt plate. Why is this plate large?

Accepted Solution
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Solution 22CQ

When the high frequency alternate current is passed through the person and reaches to the bottom, the large butt plate helps to scatter down the current in many directions. This nullifies the sensitivity due to the current at any particulate part of the butt.

Chapter 20, Problem 22CQ is Solved

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An electrified needle is used to burn off warts, with the