A 115- resistor, a 60.7-mH inductor, and a 215-µF capacitor are connected in ser
ID: 1440918 • Letter: A
Question
A 115- resistor, a 60.7-mH inductor, and a 215-µF capacitor are connected in series to an ac generator. (a) At what frequency will the current in the circuit be a maximum?Hz
(b) At what frequency will the impedance of the circuit be a minimum?
Hz A 115- resistor, a 60.7-mH inductor, and a 215-µF capacitor are connected in series to an ac generator. (a) At what frequency will the current in the circuit be a maximum?
Hz
(b) At what frequency will the impedance of the circuit be a minimum?
Hz (a) At what frequency will the current in the circuit be a maximum?
Hz
(b) At what frequency will the impedance of the circuit be a minimum?
Hz
Explanation / Answer
(a)
The Current in the circut will be maximum at Resonance freq,
2**f = 1/(LC)
2**f = 1/sqrt(60.7*10^-3*215*10^-6)
f = 44.1 hz
frequency will the current in the circuit be a maximum, f = 44.1 hz
(b)
The impedance will be least at resonance, so f = 44.1 hz
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