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Electromagnetic Field Theory
When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0.
No
Yes
No
Yes
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Related Question
Electromagnetic Field Theory
The magnetic vector potential due to a single conductor carrying current is
finite.
zero.
infinite.
none of tha above.
finite.
zero.
infinite.
none of tha above.
Answer
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Electromagnetic Field Theory
Inside a hollow conducting sphere
electric field changes with magnitude of the charge given to the conductor.
electric field changes with distance from the center of the sphere.
electric field is a non zero constant.
electric field is zero.
electric field changes with magnitude of the charge given to the conductor.
electric field changes with distance from the center of the sphere.
electric field is a non zero constant.
electric field is zero.
Answer
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Electromagnetic Field Theory
A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is
2 N.
2.5 N.
5 N.
3.75 N.
2 N.
2.5 N.
5 N.
3.75 N.
Answer
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Electromagnetic Field Theory
The tubes of force within the magnetic material are known as
lines of force.
tubes of indication.
magnetic flux.
none of them.
lines of force.
tubes of indication.
magnetic flux.
none of them.
Answer
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Electromagnetic Field Theory
Magnetic current is composed of which of the following?
None of these
Both conduction and displacement current.
Only displacement current.
Only conduction current.
None of these
Both conduction and displacement current.
Only displacement current.
Only conduction current.
Answer
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