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

Q/(4 π εo r3).

3 Qr/(4 π εo R3).

QR/(4π εo r3).

Qr/(4 π εo R3).

Q/(4 π εo r3).

3 Qr/(4 π εo R3).

QR/(4π εo r3).

Qr/(4 π εo R3).

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Electromagnetic Field Theory
Two straight parallel conductors carry equal currents in opposite direction. The force between them is

none of above.

repulsive.

attractive.

zero.

none of above.

repulsive.

attractive.

zero.

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Electromagnetic Field Theory
In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is

Infinity.

4.32.

Zero.

2.16.

Infinity.

4.32.

Zero.

2.16.

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Electromagnetic Field Theory
Tropospheric scatter is used with frequencies in the

VLF

HF

VHF

UHF

VLF

HF

VHF

UHF

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Electromagnetic Field Theory
The critical frequency of ‘F’ layer is greater than 30 MHz.

False

True

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Electromagnetic Field Theory
The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by

ω/2π.

ω / π.

ω/4π.

ω.

ω/2π.

ω / π.

ω/4π.

ω.

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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 Two straight parallel conductors carry equal currents in opposite direction. The force between them is

Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is

Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the

Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz.

Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by

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
Two straight parallel conductors carry equal currents in opposite direction. The force between them is

Electromagnetic Field Theory
In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is

Electromagnetic Field Theory
Tropospheric scatter is used with frequencies in the

Electromagnetic Field Theory
The critical frequency of ‘F’ layer is greater than 30 MHz.

Electromagnetic Field Theory
The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by