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Electromagnetic Field Theory

Electromagnetic Field Theory
The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is

 32 mH.
 3.2 mH.
 3.2 µH.
 3.2 H.

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Electromagnetic Field Theory
The tubes of force within the magnetic material are known as

 lines of force.
 tubes of indication.
 magnetic flux.
 none of them.

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Electromagnetic Field Theory
If the resistance of a conductor does not vary in accordance with the Ohms law it is known as

 non - conductor.
 bad conductor.
 non - linear conductor.
 reverse conductor.

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Electromagnetic Field Theory
A loop antenna is a commonly used for

All of these
Satellite communication
Direction finding
Radar

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Electromagnetic Field Theory
Poyniting vector has the dimensions

 Watt/metre.
 Watt × metre.
 Watt × metre2.
 Watts/metre2.

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Electromagnetic Field Theory
Which of following can induce the maximum induced voltage ?

 1 amp 100 Hz.
 20 amp dc.
 1 amp dc.
 1 amp 1 Hz.

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MORE MCQ ON Electromagnetic Field Theory

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