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Electromagnetic Field Theory

Electromagnetic Field Theory
The force experienced by a current carrying conductor lying parallel to a magnetic field is

 zero.
 Bil sinθ.
 BIL.
 Bil cosθ.

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Electromagnetic Field Theory
It is best to use for coupling a coaxial line to a parallel wire transmission line.

Slotted line
Directional Coupler
Balun
Tee

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Electromagnetic Field Theory
A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position

 5 × 10-5 ux N.
 5 × 10-5 uy N.
 5 × 10-5 uz N.
  - 5 × 10-5 uy N.

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Electromagnetic Field Theory
The tubes of force within the magnetic material are known as

 magnetic flux.
 lines of force.
 tubes of indication.
 none of them.

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Electromagnetic Field Theory
If the resistance of a conductor does not vary in accordance with the Ohms law it is known as

 bad conductor.
 non - conductor.
 non - linear conductor.
 reverse conductor.

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Electromagnetic Field Theory
Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V.

 10T.
 0.5T.
 5T.
 2.5T.

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MORE MCQ ON Electromagnetic Field Theory

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