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Electromagnetic Field Theory
An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be
1.4 V.
2.88 V.
14.40 V.
28.8 V.
1.4 V.
2.88 V.
14.40 V.
28.8 V.
Answer
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Related Question
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 virtual height of an ionospheric layer is __________ true height
Higher than
Less than
No relation
Equal to
Higher than
Less than
No relation
Equal to
Answer
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Electromagnetic Field Theory
If the static magnetic flux density is B, then
Curl of B = 0.
Divergence of B = J.
Curl of B = J.
Divergence of B = 0.
Curl of B = 0.
Divergence of B = J.
Curl of B = J.
Divergence of B = 0.
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.
7.5 N.
20 N.
15 N.
3.75 N.
7.5 N.
20 N.
15 N.
Answer
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Electromagnetic Field Theory
Gradient of scalar field is expressed as
Gradient of divergence of a vector field minus the curl of the vector field.
Outward flux of a vector field per unit volume as the volume about the point tends to zero.
Maximum rate of increase of scalar function at a point.
Circulation of a vector field per unit area as the area tends to zero.
Gradient of divergence of a vector field minus the curl of the vector field.
Outward flux of a vector field per unit volume as the volume about the point tends to zero.
Maximum rate of increase of scalar function at a point.
Circulation of a vector field per unit area as the area tends to zero.
Answer
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