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Get Full Access to College Physics - 1 Edition - Chapter 19 - Problem 45pe
Get Full Access to College Physics - 1 Edition - Chapter 19 - Problem 45pe

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# The lesser electric ray (Narcine bancroftii) maintains an

ISBN: 9781938168000 42

## Solution for problem 45PE Chapter 19

College Physics | 1st Edition

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Problem 45PE

Problem 45PE

The lesser electric ray (Narcine bancroftii) maintains an incredible charge on its head and a charge equal in magnitude but opposite in sign on its tail (Figure 19.32). (a) Sketch the equipotential lines surrounding the ray. (b) Sketch the equipotentials when the ray is near a ship with a conducting surface. (c) How could this charge distribution be of use to the ray?

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Step 1 of 3

Solution 45PE

a)

b)

c)

The charge distribution in lesser electric ray acts as a defense mechanism against its enemies. Since there is equal and opposite charge buildup at its two ends, any object that comes in contact with it will complete the circuit and will receive an electric shock which is the discharge of the built up charge.

Step 2 of 3

Step 3 of 3

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