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
Physics
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
A proton of mass m and charge q is moving in a plane with kinetic energy E. If there exists
A proton of mass m and charge q is moving in a plane with kinetic energy E. If there exists…
7 years ago
A magnetic needle suspended parallel to a magnetic field requires √3J of work
A magnetic needle suspended parallel to a magnetic field requires √3 J of work to turn it through 60⁰. The…
7 years ago
Two lines of force due to a bar magnet
Two lines of force due to a bar magnet Options (a) Intersect at the neutral point (b) Intersect near the…
7 years ago