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Electromagnetic Field Theory
The lagging of flux density behind the applied magnetising force is known as
flux.
permeance.
hysteresis.
All of these
flux.
permeance.
hysteresis.
All of these
Answer
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Related Question
Electromagnetic Field Theory
Which of following circuit element stores energy in electro-magnetic field?
Condenser.
Variable Resistor.
Inductor.
Capacitor.
Condenser.
Variable Resistor.
Inductor.
Capacitor.
Answer
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Electromagnetic Field Theory
How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m?
2 mA.
1.5 mA.
2.5 mA.
1mA.
2 mA.
1.5 mA.
2.5 mA.
1mA.
Answer
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Electromagnetic Field Theory
The radiation pattern of a parabola antenna is
A figure of directional
None of these
Highly directional
Omnidirectional
A figure of directional
None of these
Highly directional
Omnidirectional
Answer
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Electromagnetic Field Theory
If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then
n = - k.
n. k = 0.
n = K.
n × k = 0.
n = - k.
n. k = 0.
n = K.
n × k = 0.
Answer
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Electromagnetic Field Theory
An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to
A dipole.
A quardra pole.
A monopole.
Both of A and B.
A dipole.
A quardra pole.
A monopole.
Both of A and B.
Answer
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