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Q. 18

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
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Short Answer

FIGURE shows three charges. Draw these charges on your paper four times. Then draw two-dimensional cross sections of three-dimensional closed surfaces through which the electric flux is (a) , (b) , (c) , and (d) .

a.Diagram for closed surface with chargeis .

b.Diagram for closed surface with chargeis.

c.Diagram for closed surface with chargeis.

d.Diagram for closed surface with chargeis.

See the step by step solution

Step by Step Solution

Step 1: Figure for closed surface with electric flux  (part a)

(a).

The amount of electric field that travels through a closed surface is referred to as the electric flux.

Because any flux owing to charges outside the closed surface is zero, we construct a closed surface around the number of charges the flux equals to obtain the flux.

Negative charge is surrounded by a closed surface.

Step 2:  Figure for closed surface with electric flux (part b)

(b).

A closed surface is drawn around net charges of. If the two charges are combined, this might happenand.

Step 3:  Figure for closed surface with electric flux (part c)

(c).

A closed surface is drawn around net charges of .

This could occur if we combine the three charges ,and.

Step 4: Figure for closed surface with electric flux  (part d)

(d).

A closed surface is drawn around net charges of .

If the two charges andare combined, this might happen.

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