Thomson coefficient of a conductor is 10 µV/K. Its two ends are kept
Thomson coefficient of a conductor is 10 µV/K. Its two ends are kept at 50° C and 60° C. Amount…
7 years ago
Magnetic Effects of Current and Magnetism
The time period of bar magnet is doubled when magnetic field is reduced
The time period of bar magnet is doubled when magnetic field is reduced by same amount. If initial magnetic field…
7 years ago
The work done in rotating a magnetic of magnetic moment 2 A-m² in
The work done in rotating a magnetic of magnetic moment 2 A-m² in a magnetic field of 5 x 10³…
7 years ago
The time period of a thin bar magnet in Earth’s magnetic field is T
The time period of a thin bar magnet in Earth's magnetic field is T. If the magnet is cut into…
7 years ago
The current in the windings of a toroid is 2.0 A. There are 400 turns
The current in the windings of a toroid is 2.0 A. There are 400 turns and the mean circumferential length…
7 years ago
A magnet of length 10 cm and magnetic moment 1 A-m² is placed
A magnet of length 10 cm and magnetic moment 1 A-m² is placed along the side AB of an equilateral…
7 years ago
The angular momentum of an electron is J. The magnitude of the magnetic moment
The angular momentum of an electron is J. The magnitude of the magnetic moment will be Options (a) eJ /…
7 years ago