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RLC Circuits and Resonance

Q1:

The voltage across the inductor is ______ in the given circuit.

A 6.5 V

B 12.4 V

C 14 V

D 50 V

ANS:D - 50 V

V(l)=I*X(l)=6.892m*7257.07=50 V.

x(l)=2pi*21M*55u=7257.07

I=V/Z=14/2031.31=6.892m.

Z=squareroot(Rsqure+Xsquare)=sqrt(1.8K^2+941.4^2)=2031.31

X=X(l)-X(c)=7257.07-6315.67=941.4

x(c)=1/(2pi*21M*1.2P)=6315.67



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