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)

QD.

QR.

QR2/d.

Q√(R2 + d2).

QD.

QR.

QR2/d.

Q√(R2 + d2).

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Electromagnetic Field Theory
Mutual inductance between two magnetically coupled coils depends on

the number of their turns.

cross sectional area of their common core.

permeability of core.

all of above.

the number of their turns.

cross sectional area of their common core.

permeability of core.

all of above.

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Electromagnetic Field Theory
If the static magnetic flux density is B, then

Divergence of B = J.

Curl of B = J.

Divergence of B = 0.

Curl of B = 0.

Divergence of B = J.

Curl of B = J.

Divergence of B = 0.

Curl of B = 0.

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Electromagnetic Field Theory
An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to

A quardra pole.

Both of A and B.

A dipole.

A monopole.

A quardra pole.

Both of A and B.

A dipole.

A monopole.

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Electromagnetic Field Theory
A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be

none of above.

parallel to the plane of the wire.

parallel to half portion and perpendicular for the other half.

perpendicular to the circumference of the wire.

none of above.

parallel to the plane of the wire.

parallel to half portion and perpendicular for the other half.

perpendicular to the circumference of the wire.

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Electromagnetic Field Theory
What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it?

Infinity.

Zero.

Depends on strength of current element.

Unity.

Infinity.

Zero.

Depends on strength of current element.

Unity.

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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 Mutual inductance between two magnetically coupled coils depends on

Electromagnetic Field Theory If the static magnetic flux density is B, then

Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to

Electromagnetic Field Theory A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be

Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it?

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
Mutual inductance between two magnetically coupled coils depends on

Electromagnetic Field Theory
If the static magnetic flux density is B, then

Electromagnetic Field Theory
An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to

Electromagnetic Field Theory
A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be

Electromagnetic Field Theory
What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it?