Electrical Engineering - RLC Circuits and Resonance - Discussion
Discussion Forum : RLC Circuits and Resonance - General Questions (Q.No. 1)
1.
A 10 
resistor, a 90 mH coil, and a 0.015 
F capacitor are in series across an ac source. The impedance magnitude at 1,200 Hz below fr is
resistor, a 90 mH coil, and a 0.015 F capacitor are in series across an ac source. The impedance magnitude at 1,200 Hz below fr is1,616
161
3,387
1,771
Discussion:
28 comments Page 3 of 3.
Shailu said:
9 years ago
Is it correct? Above explained examples?
RAO said:
1 decade ago
XL=2*Pi*F*L
Z=Sqrt of(R^2+(XL-XC)^2)
Z=Sqrt of(R^2+(XL-XC)^2)
Hassan said:
6 years ago
How we can change the units?
Siddu bhandarkavathe said:
7 years ago
It is 1/2 π √ LC.
Puja said:
8 years ago
Yes, I agree @Prashant.
DURAI said:
1 decade ago
fr = 1/2*pi*sqrt (L*c).
Dinesh said:
8 years ago
Quicker method needed.
Bharamu said:
1 decade ago
fr = 1/ 2*Pi*sqrt(L*C)
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