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Hw: All Chapter 2 problems and exercises
Example 1: Electric field of a point charge is directly radially away from or toward the charge.
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qE ˆ
4
12
0
Example 2: Electric field of a dipole
Example 3: Electric field at the center of a charged ring
Think first!(before you start to do calculations)
0E
Example 5: Find the electric field at the center of a semi-circle of radius R, if a charge Q is uniformly spread over the semi-circle.
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QE
2
022
Example 4: Electric field on ring’s axis
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Example 6: Electric field on disk’s axis
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)( cxcx
xdx
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zE
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iz
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Have a great day!
Please don’t forget your pictures
Hw: All Chapter 2 problems and exercisesReading: Chapter 3