Solving a problem in physics section 76 point 7 electr

Solving a problem in physics section 76 point 7 electr

7. A ring of wires breaks if charged with a charge q. The diameter of the ring and the diameter of the wire was increased three times. What charge should be reported to the new ring so that it bursts?

Additional information:

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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