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1. For an RC circuit, find an expression for the angular frequency, w_res at whi

ID: 2218009 • Letter: 1

Question

1. For an RC circuit, find an expression for the angular frequency, w_res at which V_R = 1/2E_0. Express your answer in terms of R,C, and E_0. 2. What is V_C at this frequency? Express your answer in terms of R,C, and E_0. What is w_res if the crossover frequency is 6740 rad/s? Thanks! Part A & B: http://i46.tinypic.com/28mihol.png Part C: ttp://i48.tinypic.com/mwcgtj.png I got the answers to Part A and B to be 1/sqrt3 RC and E_0*sqrt3/2 respectively. I just need the answer to part C. Thank you!

Explanation / Answer

at crossover frequency Vc=VR

                                IR = IXC

                             R = 1/C

now given = 6740

                RC = 1/6740

   putting value of RC in A par get the value of res

       res=6740/3 = 3891.34 ras/s