Magnetic field due to currentHard
Question
Charge q is uniformly spread on a thin ring of radius R. the ring rotates about its axis with a uniform frequency f Hz. The magnitude of the magnetic induction at the centre of the ring is
Options
A.
B.
C.
D.
Solution
The current flowing in the ring is
I = q f ......(i)
The magnetic induction at the centre of the ring is
[Using (i)]
I = q f ......(i)
The magnetic induction at the centre of the ring is
[Using (i)]Create a free account to view solution
View Solution FreeMore Magnetic field due to current Questions
A electron experiences a force (4.0î + 3.0ĵ) × 10-13 N in a uniform magnetic field when its velocity is 2...A charged particle moves through a magnetic field perpendicular to its direction. Then -...Two thick wires and two thin wires, all of the same materials and same length form a square in the three different ways ...A uniform magnetic field B0 ĵ exists in a space. A particle of mass m and charge q is projected towards negative x-...A magnetic needle suspended parallel to a magnetic field requires √3 J of work to turn it through 60. The torque n...