$*27.$ For the parallel resonant circuit in Fig. $21\mathrm{.}63$:

a$.$ Determine the resonant frequency.

b$.$ Find the total impedance at resonance.

c$.$ Find $Q_p.$

d$.$ Calculate the $BW.$

e$.$ Repeat parts $($a$)$ through $($d$)$ for $L=20H$ and $C=20nF.$

f$.$ Repeat parts $($a$)$ through $($d$)$ for $L=0\mathrm{.}4mH$ and $C=1nF.$

g$.$ For the network in Fig. $21\mathrm{.}63$ and the parameters of parts $($e$)$ and $($f$),$ determine the ratio $\frac{L}{C}.$

h$.$ Do your results confirm the conclusions in Fig. $21\mathrm{.}32$ for changes in the L$/$C ratio?