An LC circuit (i.e. one with R = 0) shows SHO at an angular frequency, called the resonant frequency, Res = 1/√LC. Find the ratio max/Res. If we hold L,C constant and vary R, do we need to increase or decrease R in order to get max closer to Res?

Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
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Consider the circuit from P2 in PS2, now connected to an external source as shown
in figure 2. The external source is an AC source with Vac(t) = V₁ cos(Nt + p).
R, L, V₁, №, & are arbitrary positive constants. ³.
R
eeee
Figure 2: 'R+LC' circuit with an external source.
Transcribed Image Text:Consider the circuit from P2 in PS2, now connected to an external source as shown in figure 2. The external source is an AC source with Vac(t) = V₁ cos(Nt + p). R, L, V₁, №, & are arbitrary positive constants. ³. R eeee Figure 2: 'R+LC' circuit with an external source.
(f) An LC circuit (i.e. one with R = 0) shows SHO at an angular frequency, called
the resonant frequency, NRcs = 1/√LC. Find the ratio Nmax/Res. If we hold
L,C constant and vary R, do we need to increase or decrease R in order to get
max closer to Res?
Transcribed Image Text:(f) An LC circuit (i.e. one with R = 0) shows SHO at an angular frequency, called the resonant frequency, NRcs = 1/√LC. Find the ratio Nmax/Res. If we hold L,C constant and vary R, do we need to increase or decrease R in order to get max closer to Res?
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