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Electromagnetic Field Theory

Electromagnetic Field Theory
An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be

2.5
3.5
1.5
4.5

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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 current of 3 A will be

 37.68 µH.
 113.04 mH.
 37.68 mH.
 113.04 µH.

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Electromagnetic Field Theory
Which of following is the unit of inductance?

  Webers / m.
  Milli- henry.
 Ohm.
  Ampere turns.

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Electromagnetic Field Theory
Magnetic current is composed of which of the following?

 Both conduction and displacement current.
None of these
 Only conduction current.
 Only displacement current.

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Electromagnetic Field Theory
The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is

 - 4 C/m3.
 0 C/m3.
 - 2 C/m3.
 - 8 C/m3.

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Electromagnetic Field Theory
Which of the following is multiband HF receiving antenna?

Log-periodic
Conical horn
Folded dipole
Square loop

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MORE MCQ ON Electromagnetic Field Theory

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