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Electromagnetic Field Theory

Electromagnetic Field Theory
If a and b are the dimensions of waveguide then

a = b/4
a = 2b
a = b
a = 3b

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Electromagnetic Field Theory
The static electric field in a conductor is

Unity
Infinity
Zero
None of these

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Electromagnetic Field Theory
A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be

 37.5 V.
 50 V.
 75 V.
 150 V.

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Electromagnetic Field Theory
In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will

 decrease.
 increase.
 initially increase and then decrease.
 remain the same.

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Electromagnetic Field Theory
A loop antenna is a commonly used for

Direction finding
All of these
Satellite communication
Radar

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Electromagnetic Field Theory
Conductor is constant and field is varying then emf will be induced. This principle is called

 static induced emf.
None of these
 virtually induced emf.
 dynamically induced emf.

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MORE MCQ ON Electromagnetic Field Theory

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