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Electromagnetic Field Theory

Electromagnetic Field Theory
Which of following is not a unit of flux?

 All of above.
 Weber.
 Maxwell.
 Telsa.

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Electromagnetic Field Theory
Parabolic and lens antenna used at

High frequency
Medium frequency
Low frequency
Microwave frequency

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Electromagnetic Field Theory
The Kirchhoff’s current law is implict in expression

 Curl of H = J + (δ D)/(δ t).
  Surface integral of (j.ds) = 0.
 Divergence of D = ρv.
 Divergence of B = 0.

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Electromagnetic Field Theory
The emf induced in a conductor rotating in bipolar field is

 none of these.
 DC.
 AC.
 DC and AC both.

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Electromagnetic Field Theory
MUF is depend upon

11 year sun spot cycle
Electron density of the ionospheric layer
Height of ionospheric layer
Received frequency by receiver

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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

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

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