Suppose you have 20 indentical capacitors in a series RCLcircuit. All of these c

Question

Suppose you have 20 indentical capacitors in a series RCLcircuit. All of these capacitors are in series. How many of thesecapacitors must be removed so the resonant frequency is cut inhalf? (It is similar to cutnell physics book. chapter 23,problem 30) Suppose you have 20 indentical capacitors in a series RCLcircuit. All of these capacitors are in series. How many of thesecapacitors must be removed so the resonant frequency is cut inhalf? (It is similar to cutnell physics book. chapter 23,problem 30)

Explanation / Answer

. 1.   fR = resonant frequency =(1)/[2**(L*C)] 2.   From the above equation, to change thefrequency by 1/2, you must increase the capacitance by a factor of4. 3.   To increase the capacitance by 4, youwould need to remove15 of the 20 capacitors. .

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