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ELECTROMAGNETIC FIELD THEORY

Electromagnetic Field Theory
A loop antenna is a commonly used for

All of these
Direction finding
Radar
Satellite communication

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

None of these
Vector
Scalar
Unit vector

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Electromagnetic Field Theory
Which antenna is a wideband antenna?

None of these
Folded dipole
Marconi antenna
Hertz antenna

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Electromagnetic Field Theory
The potential that appears at a point in space due to the current which caused it is called potential

Retardation
Accelerating
Oscillating
Lagging the current

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Electromagnetic Field Theory
The minimum height of outer atmosphere is

100 km
150 km
400 km
200 km

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