![A charged particle is moving on circular path with velocityv in a uniform magnetic field B, if the velocity of the charged particle is doubled and strength of magnetic field is halved, A charged particle is moving on circular path with velocityv in a uniform magnetic field B, if the velocity of the charged particle is doubled and strength of magnetic field is halved,](https://doubtnut-static.s.llnwi.net/static/web-thumb/16121552_web.png)
A charged particle is moving on circular path with velocityv in a uniform magnetic field B, if the velocity of the charged particle is doubled and strength of magnetic field is halved,
![SOLVED:Assume the magnitude of the magnetic field outside a sphere of radius R is B=B_{0}(R / r)^{2}, where B_{0} is a constant. (a) Determine the total energy stored in the magnetic field SOLVED:Assume the magnitude of the magnetic field outside a sphere of radius R is B=B_{0}(R / r)^{2}, where B_{0} is a constant. (a) Determine the total energy stored in the magnetic field](https://cdn.numerade.com/previews/eb64d6cf-580f-4afc-84f9-df4b783cd0b3_large.jpg)
SOLVED:Assume the magnitude of the magnetic field outside a sphere of radius R is B=B_{0}(R / r)^{2}, where B_{0} is a constant. (a) Determine the total energy stored in the magnetic field
![A wire bent in the form of a sector of radius r subtending an angle at centre, as shown in figure is carrying a current i. The magnetic field at O is: A wire bent in the form of a sector of radius r subtending an angle at centre, as shown in figure is carrying a current i. The magnetic field at O is:](https://d2rrqu68q7r435.cloudfront.net/images/3518619/408c532f-cd96-4af6-93a5-bf64e3115211.jpg)
A wire bent in the form of a sector of radius r subtending an angle at centre, as shown in figure is carrying a current i. The magnetic field at O is:
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![The radius of curvature of the path of the charged particle in a uniform magnetic field is directly proportional to The radius of curvature of the path of the charged particle in a uniform magnetic field is directly proportional to](https://d10lpgp6xz60nq.cloudfront.net/ss/web/434738.jpg)