Ch 22 HW due Friday, January 17 @ 23:59 QuickCheck 23.2 What is - - PowerPoint PPT Presentation

ch 22 hw due friday january 17 23 59 quickcheck 23 2
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Ch 22 HW due Friday, January 17 @ 23:59 QuickCheck 23.2 What is - - PowerPoint PPT Presentation

Ch 22 HW due Friday, January 17 @ 23:59 QuickCheck 23.2 What is the direction of the electric field at the dot? E. The field is zero. QuickCheck 23.2 What is the direction of the electric field at the dot? E. The field is zero.


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SLIDE 1

❑ Ch 22 HW due Friday, January 17 @ 23:59

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SLIDE 2

What is the direction of the electric field at the dot?

QuickCheck 23.2

  • E. The field is zero.
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SLIDE 3

What is the direction of the electric field at the dot?

QuickCheck 23.2

  • E. The field is zero.
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SLIDE 4

When r >> d, the electric field strength at the dot is

QuickCheck 23.3

A. B. C. D. E.

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SLIDE 5

When r >> d, the electric field strength at the dot is

QuickCheck 23.3

A. B. C. D. E.

Looks like a point charge 4Q at the origin.

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SLIDE 6

A flat circular ring is made from a very thin sheet of metal. Charge Q is uniformly distributed over the

  • ring. Assuming w << R, the

surface charge density η is

QuickCheck 23.7

A. Q/2πRw B. Q/4πRw C. Q/πR2 D. Q/2πR2 E. Q/πRw

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SLIDE 7

QuickCheck 23.7

The ring has two sides, each of area 2πRw.

A flat circular ring is made from a very thin sheet of metal. Charge Q is uniformly distributed over the

  • ring. Assuming w << R, the

surface charge density η is A. Q/2πRw B. Q/4πRw C. Q/πR2 D. Q/2πR2 E. Q/πRw