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Electromagnetic Field Theory

Electromagnetic Field Theory
Tropospheric scatter is used with frequencies in the

UHF
HF
VHF
VLF

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Electromagnetic Field Theory
A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m

 144 μN.
  1144 μN.
 244 μN.
 1440 μN.

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Electromagnetic Field Theory
inductance (L2) in parallel without mutual coupling will be

 5 mH.
 20 mH.
 15 mH.
 10 mH.

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Electromagnetic Field Theory
Mutual inductance between two magnetically coupled coils depends on

 the number of their turns.
 all of above.
 cross sectional area of their common core.
 permeability of core.

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Electromagnetic Field Theory
The operation of electric generators and motors depend on the intraction between magnetic field and

 Copper conductors.
 Electric fields.
  Electric current.
 Commutator.

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Electromagnetic Field Theory
The right hand rule for determining the direction of the induced EMF was introduced by

 Lenz
 Faraday
 Maxwell
 Fleming

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MORE MCQ ON Electromagnetic Field Theory

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