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Electromagnetic Field Theory

Electromagnetic Field Theory
The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is

 3.2 mH.
 3.2 H.
 32 mH.
 3.2 µH.

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Electromagnetic Field Theory
Biot-Savarts law states the relation between magnetic intensity and

 surface current only.
 volume current only.
 (A), (B), and (D) are all correct.
 filament current only.

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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 quardra pole.
 Both of A and B.
 A monopole.
 A dipole.

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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.
 12 mH.
 24 mH.
 3 mH.

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Electromagnetic Field Theory
A square corner reflector is used in

Point to point communication
All of these
Tv broadcast
Radio astronomy

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Electromagnetic Field Theory
A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m

  1144 μN.
 144 μN.
 1440 μN.
 244 μN.

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MORE MCQ ON Electromagnetic Field Theory

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