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Electromagnetic Field Theory

Electromagnetic Field Theory
The static electric field in a conductor is

None of these
Unity
Zero
Infinity

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Electromagnetic Field Theory
The attenuation in waveguide above to cut off frequency

Very low
Infinite
Zero
Very high

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Electromagnetic Field Theory
The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is

 30 joules.
 12 joules.
 24 joules.
 15 joules.

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Electromagnetic Field Theory
An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be

 4 A / s.
 16 A / s.
 32 A / s.
 64 A / s.

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Electromagnetic Field Theory
________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field.

 Electric flux.
 Magnetic flux density.
 Electric intensity.
None of these

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

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

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MORE MCQ ON Electromagnetic Field Theory

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