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Electromagnetic Field Theory

Electromagnetic Field Theory
The force experienced by a current carrying conductor lying parallel to a magnetic field is

 Bil sinθ.
 BIL.
 zero.
 Bil cosθ.

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

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

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Electromagnetic Field Theory
MUF is depend upon

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

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Electromagnetic Field Theory
Materials subjected to rapid reversals of magnetism should have

 both a and b.
 low permeability.
 low hysteresis loss.
 high permeability.

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Electromagnetic Field Theory
A Yagi antenna has a driven antenna

Only
With a reflector
With one or more directors
With a reflector and one or more directors

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Electromagnetic Field Theory
The potential that appears at a point in space due to the current which caused it is called potential

Oscillating
Lagging the current
Accelerating
Retardation

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MORE MCQ ON Electromagnetic Field Theory

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