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Electromagnetic Field Theory
Two straight parallel conductors carry equal currents in opposite direction. The force between them is
repulsive.
none of above.
attractive.
zero.
repulsive.
none of above.
attractive.
zero.
Answer
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Related Question
Electromagnetic Field Theory
Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s
fourth law
second law
first law
third law
fourth law
second law
first law
third law
Answer
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Electromagnetic Field Theory
Magnetic flux density emerging out of a closed surface is
depends on magnetic movements outside the closed surface
infinite.
zero.
depends on magnetic movements inside the closed surface.
depends on magnetic movements outside the closed surface
infinite.
zero.
depends on magnetic movements inside the closed surface.
Answer
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Electromagnetic Field Theory
It was suggested by _____________ that the electric field should be imagined to be divided into tubes of force containing a fixed number of line of force
Newton.
all of above.
Kelvin.
Faraday.
Newton.
all of above.
Kelvin.
Faraday.
Answer
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Electromagnetic Field Theory
Which of this statement is not characteristic of a static magnetic field
it is conservative.
it is solenoidal.
magnetic flux lines are always closed.
it has no sink or sources.
it is conservative.
it is solenoidal.
magnetic flux lines are always closed.
it has no sink or sources.
Answer
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Electromagnetic Field Theory
An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to
A dipole.
A monopole.
Both of A and B.
A quardra pole.
A dipole.
A monopole.
Both of A and B.
A quardra pole.
Answer
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