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Electromagnetic Field Theory
The ability of charged bodies to exert force on one another is attributed to the existence of
neutrons.
electrons.
protons.
electric field.
neutrons.
electrons.
protons.
electric field.
Answer
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Related Question
Electromagnetic Field Theory
The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of
current flowing through the conductor.
flux density.
cross-sectional area of conductor.
length of conductor.
current flowing through the conductor.
flux density.
cross-sectional area of conductor.
length of conductor.
Answer
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Electromagnetic Field Theory
The potential that appears at a point in space due to the current which caused it is called potential
Oscillating
Lagging the current
Accelerating
Retardation
Oscillating
Lagging the current
Accelerating
Retardation
Answer
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Electromagnetic Field Theory
Magnetostriction is a phenomenon of
generation of magnetism in electrical conductors.
generation of electricity in ferromagnetic materials.
change in permeability of ferromagnetic materials during magnetism.
change in physical dimensions of ferromagnetic materials during magnetism.
generation of magnetism in electrical conductors.
generation of electricity in ferromagnetic materials.
change in permeability of ferromagnetic materials during magnetism.
change in physical dimensions of ferromagnetic materials during magnetism.
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
8.
2.
4.
1.
8.
2.
4.
1.
Answer
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Electromagnetic Field Theory
A waveguide operated below cut off frequency can be used as
An isolator
An attenuator
Phase shifter
None
An isolator
An attenuator
Phase shifter
None
Answer
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