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 October 23rd, 2009, 09:19 PM #1 Newbie   Joined: Mar 2009 Posts: 24 Thanks: 0 homework help the resonant frequency of a circuit may be found by the formula f=1/ (2pie times the square root of LC) find the resonant frequency, to the nearest thousand of a circuit if L=7.062 x10^-5 C= 4.6 x10^-10. so the set up is 1/ (2pie the square root of (7.062 x10^-5)(4.6 x10^-10)) i cant figure out for the life of me what i am doing wrong when multiplying. please help, thank you
 October 24th, 2009, 04:17 AM #2 Global Moderator   Joined: Dec 2006 Posts: 19,287 Thanks: 1681 How do you know you're doing anything wrong? If you meant the square root to be applied to LC (whereas you applied it to just L in your expression), Google calculator gives 1/(2pi*sqrt((7.062*10^-5)(4.6*10^-10))) = 883033.865.

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