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Electromagnetic Field Theory
Which antenna is a wideband antenna?
Folded dipole
Hertz antenna
Marconi antenna
None of these
Folded dipole
Hertz antenna
Marconi antenna
None of these
Answer
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Related Question
Electromagnetic Field Theory
An infinite non conducting sheet of charge has σ of 10-7 c/m3. Equipotential surface for a potential of 10 volts is.
1.32 mm.
0.
0.88 mm.
1.77 mm.
1.32 mm.
0.
0.88 mm.
1.77 mm.
Answer
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Electromagnetic Field Theory
The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is
24 joules.
30 joules.
12 joules.
15 joules.
24 joules.
30 joules.
12 joules.
15 joules.
Answer
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Electromagnetic Field Theory
The radiation pattern of loop antenna is
Elliptical
Cardoid or Limacon
Semicircle
Circle
Elliptical
Cardoid or Limacon
Semicircle
Circle
Answer
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Electromagnetic Field Theory
The electric field on a plane is decribed by . The field due to
a dipole and a monopole.
a monopole.
a dipole.
none of above.
a dipole and a monopole.
a monopole.
a dipole.
none of above.
Answer
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Electromagnetic Field Theory
In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be
2.
1.
8.
4.
2.
1.
8.
4.
Answer
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