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Electromagnetic Field Theory

Electromagnetic Field Theory
XEROX machine is working on

 electrostatic effect.
 magnetic effect.
 peltier effect.
 heating effect of current.

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Electromagnetic Field Theory
When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called

Polarisation
Dispersion
Scattering
Absorption

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Electromagnetic Field Theory
The Biot-savarts law is a general modification of

 Lenzs law.
 Faradays law.
 Amperes law.
 Kirchhoffs law.

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Electromagnetic Field Theory
Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be

 5.
 50.
 10.
 20.

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Electromagnetic Field Theory
Which of following is not a unit of flux?

 Telsa.
 Maxwell.
 All of above.
 Weber.

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Electromagnetic Field Theory
MUF is highest in periods of greatest sunspot activity.

True
False

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MORE MCQ ON Electromagnetic Field Theory

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