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Electromagnetic Field Theory and Transmission Lines by G. S. N. Raju

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Objective Questions and Answers

An objective-type examination improves sharpness, prudent judgement, depth of knowledge, overall understanding, logic and concepts of the subject. A subjective-type examination improves communicaion and explanatory skills of the subject.

  1. If Coulomb’s force on 2 C due to 5 C is 10ax (N), the force on 5 C due to 2 C is
    1. –10a x (N)
    2. 10a x (N)
    3. 10ay (N)
    4. –10ay (N)
  2. Gradient of a potential and equipotential surface are
    1. orthogonal to each other
    2. in the same direction
    3. out of phase
    4. at 45° with one another
  3. The work in moving a charge between two points depends on
    1. the path
    2. Q, E and the path
    3. Q and E only
    4. Q, E and end points
  4. Unit of potential is
    1. Joules
    2. N/C
    3. N/Joules
    4. Joules/C
  5. Field due to infinitely long line charge ...

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