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Electromagnetic Field Theory
Electric field intensity (E) at ant point in an electric field is equal to
potential gradient.
(potential gradient)2.
(potential gradient)1/3.
(potential gradient)1/2.
potential gradient.
(potential gradient)2.
(potential gradient)1/3.
(potential gradient)1/2.
Answer
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Related Question
Electromagnetic Field Theory
Radiation intensity in a given direction is the
Power radiated per unit solid angle in that direction
Energy radiated per square metre
Power radiated per square metre
None of these
Power radiated per unit solid angle in that direction
Energy radiated per square metre
Power radiated per square metre
None of these
Answer
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Electromagnetic Field Theory
The transmitting antennas for lower frequencies (below 500 kHz) are generally
Parabolic reflector type
Vertical grounded wire type
Horizontal suspended wire type
Any of the above
Parabolic reflector type
Vertical grounded wire type
Horizontal suspended wire type
Any of the above
Answer
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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
3.75 N.
20 N.
7.5 N.
15 N.
3.75 N.
20 N.
7.5 N.
15 N.
Answer
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Electromagnetic Field Theory
If the static magnetic flux density is B, then
Curl of B = 0.
Curl of B = J.
Divergence of B = 0.
Divergence of B = J.
Curl of B = 0.
Curl of B = J.
Divergence of B = 0.
Divergence of B = J.
Answer
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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
BI2L.
BL2I.
zero.
BIL.
BI2L.
BL2I.
zero.
BIL.
Answer
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