The circuit of Figure 12–8

(a) has the following sinusoids applied to its input. Using only the plot in Figure 12–8(b), find the approximate amplitude of the sinusoid exiting the circuit.

(a) v1ðtÞ = 100 cos 2π t mV

(b) v1ðtÞ = 100 cos 200π t mV

(c) v1ðtÞ = 100 cos 2000π t mV