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1P AC Circuits

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#21📜 EE Pre-Board August 2018📘 PowerhouseMedium
A series connected circuit has R = 4 Ω and L = 25 mH. Calculate the value of C that will produce a quality factor of 50.
A62.5 μF
B6.25 μF
C0.625 μF
D25 μF
#22📜 EE Pre-Board August 2018📘 PowerhouseMedium
In a laboratory experiment, the impedance of a coil was obtained at 60 Hz and 30 Hz. These are 75.48 ohms and 57.44 ohms, respectively. What is the inductance of the coil?
A150 mH
B182.5 mH
C42.5 mH
D2.1 mH

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