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Electromagnetic Field Theory

Electromagnetic Field Theory
The right hand rule for determining the direction of the induced EMF was introduced by

 Fleming
 Lenz
 Faraday
 Maxwell

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Electromagnetic Field Theory
Which antenna is a wideband antenna?

Folded dipole
Marconi antenna
Hertz antenna
None of these

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Electromagnetic Field Theory
It was suggested by _____________ that the electric field should be imagined to be divided into tubes of force containing a fixed number of line of force

 Kelvin.
 Faraday.
 Newton.
 all of above.

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Electromagnetic Field Theory
Between a hollow and solid metal sphere, charge reside

 None of above.
 on outer surface in hollow and throughout in solid.
 on outer surface in both.
 on outer surface in hollow and throughout in solid

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Electromagnetic Field Theory
The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be

 48 mH.
 24 mH.
 12 mH.
 3 mH.

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Electromagnetic Field Theory
Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is

 1 A/m.
 8 A/m.
 4 A/m.
 2 A/m.

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MORE MCQ ON Electromagnetic Field Theory

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