A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R)

Electromagnetic Field Theory
A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R)

Q√(R2 + d2).

QR2/d.

QD.

QR.

Q√(R2 + d2).

QR2/d.

QD.

QR.

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

8.

4.

1.

2.

8.

4.

1.

2.

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Electromagnetic Field Theory
As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the

normal velocity.

group velocity.

phase velocity.

velocity of propagation.

normal velocity.

group velocity.

phase velocity.

velocity of propagation.

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Electromagnetic Field Theory
A rectangular waveguide is a

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

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

Tube antenna to transmit and receive electromagnetic waves

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Electromagnetic Field Theory
Which of following is true for a purely inductive circuit ?

Reactive power of the circuit is zero.

Apparent power of the circuit is zero.

Any capacitance even if present in the circuit will not be charged.

Actual power of the circuit is zero.

Reactive power of the circuit is zero.

Apparent power of the circuit is zero.

Any capacitance even if present in the circuit will not be charged.

Actual power of the circuit is zero.

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Electromagnetic Field Theory
An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be

16 A / s.

32 A / s.

4 A / s.

64 A / s.

16 A / s.

32 A / s.

4 A / s.

64 A / s.

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Electromagnetic Field Theory

Electromagnetic Field Theory A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R)

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 As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the

Electromagnetic Field Theory A rectangular waveguide is a

Electromagnetic Field Theory Which of following is true for a purely inductive circuit ?

Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be

Electromagnetic Field Theory
A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R)

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
As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the

Electromagnetic Field Theory
A rectangular waveguide is a

Electromagnetic Field Theory
Which of following is true for a purely inductive circuit ?

Electromagnetic Field Theory
An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be