A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere

Electromagnetic Field Theory
A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere

QR/(4π εo r3).

Qr/(4 π εo R3).

3 Qr/(4 π εo R3).

Q/(4 π εo r3).

QR/(4π εo r3).

Qr/(4 π εo R3).

3 Qr/(4 π εo R3).

Q/(4 π εo r3).

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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?

At right angles to the axis of the magnetic field.

Along the axis of the magnetic field.

Anywhere.

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

At right angles to the axis of the magnetic field.

Along the axis of the magnetic field.

Anywhere.

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

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Electromagnetic Field Theory
Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is

double the field produced by one plate.

dependent on coordinates of field points.

zero.

same as that produced by one plate.

double the field produced by one plate.

dependent on coordinates of field points.

zero.

same as that produced by one plate.

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Electromagnetic Field Theory
A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation

z direction.

– z direction.

y direction.

– y direction.

z direction.

– z direction.

y direction.

– y direction.

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Electromagnetic Field Theory
Magnetic flux density emerging out of a closed surface is

zero.

depends on magnetic movements inside the closed surface.

infinite.

depends on magnetic movements outside the closed surface

zero.

depends on magnetic movements inside the closed surface.

infinite.

depends on magnetic movements outside the closed surface

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Electromagnetic Field Theory
A rectangular waveguide is a

Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed

Tube antenna to transmit and receive electromagnetic waves

Hollow rectangular walled room carrying electromagnetic wave

Rectangular conducting wire to propagate electromagnetic waves

Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed

Tube antenna to transmit and receive electromagnetic waves

Hollow rectangular walled room carrying electromagnetic wave

Rectangular conducting wire to propagate electromagnetic waves

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Electromagnetic Field Theory

Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere

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 Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is

Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation

Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is

Electromagnetic Field Theory A rectangular waveguide is a

Electromagnetic Field Theory
A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere

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
Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is

Electromagnetic Field Theory
A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation

Electromagnetic Field Theory
Magnetic flux density emerging out of a closed surface is

Electromagnetic Field Theory
A rectangular waveguide is a