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Electromagnetic Field Theory
The electric field on a plane is decribed by . The field due to
a dipole.
none of above.
a dipole and a monopole.
a monopole.
a dipole.
none of above.
a dipole and a monopole.
a monopole.
Answer
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Related Question
Electromagnetic Field Theory
A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be
20 N.
3.75 N.
15 N.
7.5 N.
20 N.
3.75 N.
15 N.
7.5 N.
Answer
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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.
80 V.
40 V.
60 V.
8 V.
80 V.
40 V.
60 V.
Answer
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Electromagnetic Field Theory
The magnetic field at any point on the axis of current carrying circular coil will be
zero.
parallel to axis.
at an angle 45o with the axis.
perpendicular to axis.
zero.
parallel to axis.
at an angle 45o with the axis.
perpendicular to axis.
Answer
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Electromagnetic Field Theory
The operation of electric generators and motors depend on the intraction between magnetic field and
Electric fields.
Copper conductors.
Electric current.
Commutator.
Electric fields.
Copper conductors.
Electric current.
Commutator.
Answer
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Electromagnetic Field Theory
Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V.
5T.
10T.
2.5T.
0.5T.
5T.
10T.
2.5T.
0.5T.
Answer
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