Question:

Q.17 a Along non-conducting hollow cylinder of radius a carries a uniform surface charge density which rotates about its axis wi

Q.17
a
Along non-conducting hollow cylinder of radius a carries a uniform surface
charge density which rotates about its axis with an angular speed co. The
magnetic energy stored in the cylinder per unit length is
4,0?ao2
Find
the value of a
Your answer

Q.17 a Along non-conducting hollow cylinder of radius a carries a uniform surface charge density which rotates about its axis with an angular speed co. The magnetic energy stored in the cylinder per unit length is 4,0?ao2 Find the value of a Your answer

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