A bar magnet of magnetic moment M is placed at right angles to a magnetic
A bar magnet of magnetic moment M is placed at right angles to a magnetic induction B. If a force…
7 years ago
Magnetic Effects of Current and Magnetism
A bar magnet having a magnetic moment of 2 x 10⁴JT⁻¹ is free to rotate in a horizontal
A bar magnet having a magnetic moment of 2 x 10⁴JT⁻¹ is free to rotate in a horizontal plane. A…
7 years ago
A charged particle (charge q) is moving in a circle of radius R with uniform speed v
A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic…
7 years ago
A closely wound solenoid of 2000 turns and area of cross-section 1.5 x 10⁻⁴ m² carries
A closely wound solenoid of 2000 turns and area of cross-section 1.5 x 10⁻⁴ m² carries a current of 2.0…
7 years ago
A beam of electron passes undeflected through mutually perpendicular
A beam of electron passes undeflected through mutually perpendicular electric and magnetic fields. If the electric field is switched off,…
7 years ago
A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire
A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in…
7 years ago
A proton and an alpha particle both enter a region of uniform magnetic field B,
A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to…
7 years ago
An electron moving in a circular orbit of radius r makes n rotations per second.
An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at…
7 years ago
A wire carrying current I has the shape as shown in adjoining figure. Linear parts
A wire carrying current I has the shape as shown in adjoining figure. Linear parts of the wire are very…
7 years ago
Two identical long conducting wires AOB and COD are placed at right angle
Two identical long conducting wires AOB and COD are placed at right angle to each other, will one above other…
7 years ago