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rylie4.4 rylie4.4
wrote...
Posts: 491
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6 years ago

We construct a closed Gaussian surface in the shape of a spherical balloon. Assume that a small glass bead with total charge Q is in the vicinity of the balloon. Consider the following statements:
 
   A. If the bead is inside the balloon, the electric flux over the balloon's
   surface can never be 0.
   B. If the bead is outside the balloon, the electric flux over the balloon
   surface must be 0.
 
   Which of these statements is valid?


  1.Only A is valid.
  2.Only B is valid.
  3.Both A and B are valid.
  4.Neither one is valid.



[Ques. 2] The circles in the picture below are Gaussian surfaces. All other lines are electric field lines. For which cases is the flux non-zero?
 


[Ques. 3]



[Ques. 4] 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



[Ques. 5] 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



[Ques. 6] 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 />
  1.a
  2.a



[Ques. 7] Where, other than at infinity, is the electric field 0 in the vicinity of the dipole shown?
 
  1.Along the y-axis.
  2.At the origin.
  3.At two points, one to the right of (a, 0), the other to the left of (-a, 0).
  4.At two points on the y-axis, one below the origin, one above the origin.
  5.None of the above.



[Ques. 8] Two uniformly charged rods are positioned horizontally as shown. The top rod is positively charged and the bottom rod is negatively charged. The total electric field at the origin:
 
  1.is zero.
  2.has both a non-zero x component and a non-zero y component.
  3.points totally in the +x direction.
  4.points totally in the x direction.
  5.points totally in the +y direction
  6.points totally in the y direction.
  7.points in a direction impossible to determine without doing a lot of math.



[Ques. 9] All charged rods have the same length and the same linear charge density (+ or -). Light rods are positively charged, and dark rods are negatively charged. For which arrangement below would the magnitude of the electric field at the origin be largest?
 
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SikircSikirc
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rylie4.4 Author
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6 years ago
Just confirmed the same answer from my friend, thanks
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