Question

c ω Flla tilar//cv users/matrullounleadsESE111 1+un t-5+Hybnd +Assignment%20[2].pdt MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question R-252 Eigure 13-1 13) Flnd the voltage acos he capocitor in Figure 13-1 A) 0.633 V 6)-1.9V C) 537 D) 10.7 14) If the mistance increases in Fipre. 13-1, the impedance A) deuses 15) As the ncquency approaches the acsonant eqncy in Figure 13-1, tce vollagc os he est B) increases C) rmaih Figure 13-2 16) If the capaciter opens in Figure 13-2 the current A) decreses to 3) remains the same C) contiruegto ศ0w, but the circuit would not be resonant

Figure 13-1

13) Find the voltage across the capacitor in Figure 13-1.

A) 0.633 V B) -4.9 V C) 5.37 V D) 10.7 V

14) If the resistance increases in Figure 13-1, the impedance ________.

A) decreases B) increases C) remains the same D) becomes zero

15) As the frequency approaches the resonant frequency in Figure 13-1, the voltage across the resistor ________.

A) becomes increasingly unstable B) increases

C) remains the same D) decreases

Figure 13-2

16) If the capacitor opens in Figure 13-2, the current ________.

A) decreases to zero

B) remains the same

C) continues to flow, but the circuit would not be resonant

D) increases because of the inductor

17) At resonance, the current in Figure 13-2 is ________.

A) 1.66 4 B) 1.66 mA C) 10 mA D) 10 A

18) If the resistor shorts in Figure 13-2, the current ________.

A) decreases B) continues, but the circuit would not be

resonant

C) increases D) does not change

Answer 1

@ v e 6x (-jso) s votkase direspon Ruley 25+ů(100-50) e Vc = 5:37_153.4 . Za RT z = R tú (x2-xo AS R increases, z increases. I - s At Resonance, X=Xc AZ = Rti (Xarxc) = Rtjo .. Gz = R only. Then VR = PR z vs (Increases) Total voltase (supply appears across Resistor . ® As it is a Serige Grueit, Current decreases to Zero ® @o t Resonance only at on Ř only at = a I = 50 = 10A ® If R is short, Cathent Du Increases. @J