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Q. 12

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 653

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Short Answer

The electric field from a very long charged wire is ( , toward the wire). What is the charge (in ) on a -cm-long segment of the wire

The charge on a segment of the wire is .

See the step by step solution

Step by Step Solution

Step 1: Formula for linear charge density

Electric field,

Linear charge density,

Given segment , the linear charge density will be:

Step 2: Derivation for charge

Electric field,

Rearrange the value,

Step 3: Calculation of of the wire

Charge is,

Because the electric field is oriented toward the wire, the charge on the wire will have a negative charge.

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