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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

 3.2 mH.
 3.2 µH.
 32 mH.
 3.2 H.

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Electromagnetic Field Theory
MUF is depend upon

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

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Electromagnetic Field Theory
The static electric field in a conductor is

Zero
None of these
Unity
Infinity

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Electromagnetic Field Theory
A pure inductor is connected across a voltage source. Find the active power drawn by the inductor?

 maximum
 either 1 or 2
 0
None of these

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Electromagnetic Field Theory
In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be

 100 mH.
 200 mH.
 50 mH.
 150 mH.

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Electromagnetic Field Theory
It is best to use for coupling a coaxial line to a parallel wire transmission line.

Directional Coupler
Slotted line
Balun
Tee

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MORE MCQ ON Electromagnetic Field Theory

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