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Electromagnetic Field Theory

Electromagnetic Field Theory
1 Maxwell is the same as

 10-8 weber.
 10-4 weber.
 104 weber.
 10-8 weber.

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Electromagnetic Field Theory
The magnetic field at any point on the axis of current carrying circular coil will be

 parallel to axis.
 at an angle 45o with the axis.
 zero.
 perpendicular to axis.

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Electromagnetic Field Theory
The force experienced by a current carrying conductor lying parallel to a magnetic field is

 BIL.
 Bil cosθ.
 zero.
 Bil sinθ.

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Electromagnetic Field Theory
The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is

 100 nj.
 60 nj.
 20 nj.
 40 nj.

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Electromagnetic Field Theory
Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by,

 V / D
 V² / D
 V × D²
 V × D

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Electromagnetic Field Theory
Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is

 600.
 450.
 150.
 300.

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