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.

145.

150.

250.

225.

145.

150.

250.

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Electromagnetic Field Theory
When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called

Absorption

Dispersion

Polarisation

Scattering

Absorption

Dispersion

Polarisation

Scattering

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Electromagnetic Field Theory
Magnetostriction is a phenomenon of

generation of electricity in ferromagnetic materials.

generation of magnetism in electrical conductors.

change in physical dimensions of ferromagnetic materials during magnetism.

change in permeability of ferromagnetic materials during magnetism.

generation of electricity in ferromagnetic materials.

generation of magnetism in electrical conductors.

change in physical dimensions of ferromagnetic materials during magnetism.

change in permeability of ferromagnetic materials during magnetism.

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Electromagnetic Field Theory
Which of following is not a unit of flux?

Maxwell.

Weber.

All of above.

Telsa.

Maxwell.

Weber.

All of above.

Telsa.

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Electromagnetic Field Theory
The heating time constant of an electrical machine gives an indication of its

cooling.

overload capacity.

rating.

short time rating.

cooling.

overload capacity.

rating.

short time rating.

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Electromagnetic Field Theory
Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is

– 18 πuz v/m.

– 360 πuz v/m.

– 10 uz v/m.

– 72 πuz v/m.

– 18 πuz v/m.

– 360 πuz v/m.

– 10 uz v/m.

– 72 πuz v/m.

ANSWER DOWNLOAD EXAMIANS APP

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 When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called

Electromagnetic Field Theory Magnetostriction is a phenomenon of

Electromagnetic Field Theory Which of following is not a unit of flux?

Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its

Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is

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
When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called

Electromagnetic Field Theory
Magnetostriction is a phenomenon of

Electromagnetic Field Theory
Which of following is not a unit of flux?

Electromagnetic Field Theory
The heating time constant of an electrical machine gives an indication of its

Electromagnetic Field Theory
Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is