Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH.

Electromagnetic Field Theory
Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH.

225.

150.

145.

250.

225.

150.

145.

250.

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Electromagnetic Field Theory
A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur?

Anywhere.

At right angles to the axis of the magnetic field.

At an angle of 45° to the axis of the magnetic field.

Along the axis of the magnetic field.

Anywhere.

At right angles to the axis of the magnetic field.

At an angle of 45° to the axis of the magnetic field.

Along the axis of the magnetic field.

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Electromagnetic Field Theory
Which antenna is a wideband antenna?

Folded dipole

None of these

Marconi antenna

Hertz antenna

Folded dipole

None of these

Marconi antenna

Hertz antenna

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Electromagnetic Field Theory
Electric field intensity (E) at ant point in an electric field is equal to

(potential gradient)1/2.

potential gradient.

(potential gradient)1/3.

(potential gradient)2.

(potential gradient)1/2.

potential gradient.

(potential gradient)1/3.

(potential gradient)2.

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Electromagnetic Field Theory
In an inductor current cannot change abruptly. Comment on the statement.

Cannot comment.

True partially.

False.

True.

Cannot comment.

True partially.

False.

True.

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Electromagnetic Field Theory
A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to

aρv C/m2.

ρv/3 C/m2.

aρv/4 C/m2.

aρv/3 C/m2.

aρv C/m2.

ρv/3 C/m2.

aρv/4 C/m2.

aρv/3 C/m2.

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Electromagnetic Field Theory

Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH.

Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur?

Electromagnetic Field Theory Which antenna is a wideband antenna?

Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to

Electromagnetic Field Theory In an inductor current cannot change abruptly. Comment on the statement.

Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to

Electromagnetic Field Theory
Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH.

Electromagnetic Field Theory
A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur?

Electromagnetic Field Theory
Which antenna is a wideband antenna?

Electromagnetic Field Theory
Electric field intensity (E) at ant point in an electric field is equal to

Electromagnetic Field Theory
In an inductor current cannot change abruptly. Comment on the statement.

Electromagnetic Field Theory
A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to