Electromagnetic Field Theory
The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following

 q(H + V × E).
 q(E +V × H).
 q(E + V × B).
 q(E + B × V).

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Electromagnetic Field Theory
Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true?

 Equal joule heating occurs in both coils.
 Joule heating does not occur in each of the coils.
 An emf is induced in split coil.
 An emf is induced in both coils.

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Electromagnetic Field Theory
Which of the following statement is correct for divergence of electric and magnetic flux densities?

 Both are zero.
 These are zero for static densities but non zero for time varying densities.
 It is zero for the magnetic flux density.
 It is zero for the electric flux density.

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