Electromagnetic Field MCQs with answers Page - 24

Here, you will find a collection of MCQ questions on Electromagnetic Field. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Admin • 802.91K Points
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Q. Divergence of a vector at a point in a vector field is __________ quantity.

  • (A) vector
  • (B) scalar
  • (C) both (a) an (b)
  • (D) none of these

A

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Q. Divergence of vector field is net outward flux of a vector per unit ______.

  • (A) surface area
  • (B) volume
  • (C) length
  • (D) none of these

A

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Q. Divergence at a point is positive if field lines are _________

  • (A) diverging
  • (B) converging
  • (C) both (a) an (b)
  • (D) none of these

A

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Q. If the rate at which field lines enter into a small volume and also leave, then divergence is ________.

  • (A) ∞
  • (B) 1
  • (C) 0
  • (D) −1

A

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Q. Divergence Theorem is applicable for a ________ that is bounded by a _________.

  • (A) volume, surface
  • (B) surface, volume
  • (C) surface, line
  • (D) line, surface

A

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Q. Divergence Theorem relates ________ integral to __________ integral.

  • (A) surface, volume
  • (B) line, surface
  • (C) volume, line
  • (D) all of these

A

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Q. Curl measures _________.

  • (A) rate of change of vector
  • (B) circular rotation
  • (C) both (a) and (b)
  • (D) none of these

A

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Q. Laplacian operator ________.

  • (A) is a scalar function
  • (B) is a vector function
  • (C) can be a scalar or vector function
  • (D) none of these

A

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Q. Laplacian of a scalar is __________.

  • (A) scalar
  • (B) vector
  • (C) both (a) and (b)
  • (D) none of these

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