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Question: You would like to store 8.5J of energy in the magnetic field of a solenoid. The solenoid has 630 circular turns of diameter 7.2cm distributed uniformly along its 25cm length.

Part I: How much current is needed?

Part II: What is the magnitude of the magnetic field inside the solenoid?

Part III: What is the energy density (energy/volume) inside the solenoid?

Any help I can get on this question is greatly appreciated! I'm not too familiar with this question.

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Category:- Physics
Reference No.:- M91250442

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