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).

Qr/(4 π εo R3).

QR/(4π εo r3).

3 Qr/(4 π εo R3).

Q/(4 π εo r3).

Qr/(4 π εo R3).

QR/(4π εo r3).

3 Qr/(4 π εo R3).

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is

0.

– uy.

2 ux.

– 2 ux.

0.

– uy.

2 ux.

– 2 ux.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The magnetic field at any point on the axis of current carrying circular coil will be

zero.

perpendicular to axis.

at an angle 45o with the axis.

parallel to axis.

zero.

perpendicular to axis.

at an angle 45o with the axis.

parallel to axis.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be

1.

8.

2.

4.

1.

8.

2.

4.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The effective reactance of an inductive coil

decreases because of stray capacitance as the frequency increases.

none of these.

remains same irrespective of the frequency.

increases because of stray capacitance as the frequency increases.

decreases because of stray capacitance as the frequency increases.

none of these.

remains same irrespective of the frequency.

increases because of stray capacitance as the frequency increases.

ANSWER DOWNLOAD EXAMIANS APP

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

infinite.

depends on magnetic movements outside the closed surface

depends on magnetic movements inside the closed surface.

zero.

infinite.

depends on magnetic movements outside the closed surface

depends on magnetic movements inside the closed surface.

zero.

ANSWER DOWNLOAD EXAMIANS APP

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 magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is

Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be

Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be

Electromagnetic Field Theory The effective reactance of an inductive coil

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

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 magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is

Electromagnetic Field Theory
The magnetic field at any point on the axis of current carrying circular coil will be

Electromagnetic Field Theory
In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be

Electromagnetic Field Theory
The effective reactance of an inductive coil

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