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Electromagnetic Field Theory

Electromagnetic Field Theory
1 Tesla =

 1 wb/m.
 1 wb/ m2.
 1 wb .
 1 wb- m2.

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Electromagnetic Field Theory
A loop antenna is a commonly used for

All of these
Radar
Satellite communication
Direction finding

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Electromagnetic Field Theory
XEROX machine is working on

 heating effect of current.
 electrostatic effect.
 magnetic effect.
 peltier effect.

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Electromagnetic Field Theory
The heating time constant of an electrical machine gives an indication of its

 cooling.
 short time rating.
 rating.
 overload capacity.

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Electromagnetic Field Theory
The shape of B-H curve for air gap is

 ellipse.
 hyperbola.
 parabola.
 straight line.

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Electromagnetic Field Theory
A square corner reflector is used in which of the following?

Radio astronomy
All of these
Point-to-point communication
TV broadcast

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MORE MCQ ON Electromagnetic Field Theory

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