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Electromagnetic Field Theory

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

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

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Electromagnetic Field Theory
RF inductor are characterized by

 high current rating and low resistance.
 low current rating and low resistance.
 low current rating and high resistance.
 high current rating and high resistance.

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Electromagnetic Field Theory
Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH.

 250.
 225.
 145.
 150.

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Electromagnetic Field Theory
If E is the electric field intensity, then what is the value of divergence of (curl of E)?

 Null vector.
 E.
 | E |.
 Zero.

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Electromagnetic Field Theory
A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be

 37.68 μH.
 1.1304 μH.
 3.768 μH.
  113.04 μH.

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Electromagnetic Field Theory
The Biot-savarts law is a general modification of

 Lenzs law.
 Kirchhoffs law.
 Faradays law.
 Amperes law.

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MORE MCQ ON Electromagnetic Field Theory

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