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Electromagnetic Field Theory

Electromagnetic Field Theory
1 Maxwell is the same as

 10-8 weber.
 10-4 weber.
 104 weber.
 10-8 weber.

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Electromagnetic Field Theory
The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is

 15 W.
 20 W.
 50 W.
  25 W.

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Electromagnetic Field Theory
When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .

Reflection
None of these
Transmission
Refraction

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Electromagnetic Field Theory
A loop antenna is a commonly used for

Radar
Satellite communication
All of these
Direction finding

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Electromagnetic Field Theory
Two straight parallel conductors carry equal currents in opposite direction. The force between them is

 attractive.
 zero.
 none of above.
 repulsive.

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

 All of above.
 Telsa.
 Weber.
 Maxwell.

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