ERESONANCE AND TRANSIENTS, SOLID STATE DEVICES

1. In Fig. 22–12, assume that C is fully charged to 100 V with S1 in Position 1. What is the value of the capacitor voltage 3 s after S1 is moved to Position 2?

A. 77.7 V B. 0V C. 22.3V* D. 36.8V2. On a RL parallel circuits, what is the total

impedance of 600-ohms R with a 300-ohms XL? Assume 600 V for the applied voltage.

A. 120 ohms C. 268 ohms*B. 240 ohms D. 210 ohms

3. In Fig. 30–10, calculate the drain current, ID.A. 6.5mA* B. 5.6mA C. 4.8mA D. 8.4mA

4. When the frequency of the applied voltage increases in a series RL circuit,

A. θZ increases. C. ZT increasesB. ZT decreases. D. Both A and C*

5. For a series RL choke circuit, assume that the input voltage of equals 10 V peak-to-peak for all frequencies. If L = 150 mH, then calculate Vout for the frequency = 159.2 Hz.

A. 9.95 Vp-p* C. 5.99 Vp-p

B. 9.95 Vp D. 5.99 Vp

6. In Fig. 22–12, how much voltage is across resistor, R1, at the first instant the switch is moved from Position 2 to Position 1? (Assume that C was completely discharged with S1 in Position 2.)

A. 100V* B. 63.2V C. 0V D. 36.8V7. Solve for the input voltage on Figure 2.

A. 42V B. 24V* C. 51V D. 15V8. In Fig. 25–19 calculate the edge frequencies f1

and f2.A. 1.43275 kHz and 1.56525 kHzB. 1.24375 kHz and 1.25625 kHzC. 1.43275 MHz and 1.56525 MHzD. 1.24375 MHz and 1.25625 MHz*

9. Calculate the notch frequency fN in Fig. 26–19a if R1 = 1 kilohms and C1 = 0.01 microFarad.

A. 15.92 kHz C. 7.96 kHz*B. 50.32 HZ D. 19.52 kHZ

10. For either an RC low-pass or high- pass filter,A. Xc = 0 ohms at the cutoff frequency.B. Xc = R at the cutoff frequency.*C. Xc is infinite at the cutoff frequency.D. None of the above.

11. What kind of transistor configuration will you use if it will require high input impedance and low output impedance?

A. Common base C. Common collector*B. Common emitter D. None of the above

12. The formal name of βAC?A. Common-base forward amplification factorB. Common-collector forward amplification

factorC. Common-emitter forward amplification

factor*D. None of the above

13. In Fig. 30–9, Solve for the value of VS,

A. 3V B. 4V* C. 5.3V D. 6V14. A Zener circuit has a Zener voltage of 25V,

limiting resistor of 220 ohms and load resistance of 2 kilo-ohms. Calculate the maximum input voltage that can be regulated if the maximum Zener current is 60mA.

A. 27.75V B. 17.75V C. 30.95V D. 40.95V*15. Holes in an n-type semiconductor are

A. Minority carriers that are thermally produced*

B. Minority carriers that are produced by doping

C. Majority carriers that are thermally produced

D. Majority carrier that are produced by doping

Always AIM PERFECT Percians!!!Prepared by: Engr. MJH Banzuelo and Engr. RCO Go

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Always AIM PERFECT Percians!!!Prepared by: Engr. MJH Banzuelo and Engr. RCO Go