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Electromagnetic Field Theory

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

 zero.
 Bil sinθ.
 BIL.
 Bil cosθ.

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Electromagnetic Field Theory
The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is

  25 W.
 50 W.
 15 W.
 20 W.

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Electromagnetic Field Theory
Radiation intensity in a given direction is the

Power radiated per unit solid angle in that direction
None of these
Energy radiated per square metre
Power radiated per square metre

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Electromagnetic Field Theory
A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is

 40π coulombs.
 10π coulombs.
 none of these.
 80π coulombs.

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Electromagnetic Field Theory
The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by

 ω/2π.
 ω/4π.
 ω.
 ω / π.

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Electromagnetic Field Theory
The divergence of a vector is a scalar, while the curl of a vector is another

Vector
None of these
Unit vector
Scalar

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MORE MCQ ON Electromagnetic Field Theory

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