In an RC circuit, what fraction of the final energy is stored in an initially uncharged capacitor after it has been charging for 3.0 time constants?

A. 0.84
B. 0.90
C. 0.75
D. 0.60
E. 0.03


Answer: B

Physics & Space Science

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The critical temperature the core must reach for a star to shine by fusion is:

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