In cyclotron, for a given magnet, radius of the semicircle traced by positive ion
In cyclotron, for a given magnet, radius of the semicircle traced by positive ion is directly proportional to (where, v=velocity…
7 years ago
Magnetic Effects of Current and Magnetism
If the dipole moment of a short bar magnet is 1.25 A-m², the magnetic field on its
If the dipole moment of a short bar magnet is 1.25 A-m², the magnetic field on its axis at a…
7 years ago
Magnetic induction produced at the centre of a circular loop carrying current is B.
Magnetic induction produced at the centre of a circular loop carrying current is B. The magnetic moment of the loop…
7 years ago
A dip needle vibrates in a vertical plane perpendicular to magnetic meridian. The time
A dip needle vibrates in a vertical plane perpendicular to magnetic meridian. The time of vibration is found to be…
7 years ago
The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic
The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic meridian is…
7 years ago
On heating a ferromagnetic substance above curie temperature
On heating a ferromagnetic substance above curie temperature Options (a) becomes paramagnetic (b) becomes diamagnetic (c) remains ferromagnetic with constant…
7 years ago
A particle with charge q is moving along a circle of radius R with unoform speed v.
A particle with charge q is moving along a circle of radius R with unoform speed v. The associated magnetic…
7 years ago
If the velocity of charged particle has both perpendicular and parallel components
If the velocity of charged particle has both perpendicular and parallel components while moving through a magnetic field, then what…
7 years ago
A small rod of bismuth is suspended freely between the poles of a strong electromagnet.
A small rod of bismuth is suspended freely between the poles of a strong electromagnet. It is found to arrange…
7 years ago
A short magnet of magnetic moment M, is placed on a straight line. The ratio
A short magnet of magnetic moment M, is placed on a straight line. The ratio of magnetic induction fields B₁,…
7 years ago