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Electromagnetic Field Theory
A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be
BIL.
BI2L.
BL2I.
zero.
BIL.
BI2L.
BL2I.
zero.
Answer
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Related Question
Electromagnetic Field Theory
Tropospheric scatter propagation is not subject to any fading.
False
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Electromagnetic Field Theory
Self inductance of magnetic coil is proportional to
1 / N2.
1 / N.
N2.
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1 / N2.
1 / N.
N2.
N.
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Electromagnetic Field Theory
A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is
8 V.
60 V.
40 V.
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8 V.
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40 V.
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Answer
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Electromagnetic Field Theory
Mutual inductance between two magnetically coupled coils depends on
cross sectional area of their common core.
the number of their turns.
permeability of core.
all of above.
cross sectional area of their common core.
the number of their turns.
permeability of core.
all of above.
Answer
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Electromagnetic Field Theory
________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field.
Magnetic flux density.
None of these
Electric intensity.
Electric flux.
Magnetic flux density.
None of these
Electric intensity.
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Answer
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