Electronic Principles – Section 5

6. Which one of the following statements best applies to a series RLC circuit?

A. The voltage waveform for each component always has the same amplitude and phase as the applied voltage
B. The current waveform for each component always has the same amplitude and phase as the applied current
C. All of the above
D. The sum of the current is always less than the applied current
E. None of the above

Correct Answer:  B. The current waveform for each component always has the same amplitude and phase as the applied current

7. When applying a square waveform to a capacitor, the circuit tends to:

A. peak the voltage and round off the current waveforms
B. peak the current and round off the voltage waveforms
C. round off both the voltage and current waveforms
D. peak both the voltage and current waveforms
E. None of the above

Correct Answer:  B. peak the current and round off the voltage waveforms

8. Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit?

A. Number of lines of force
B. Flux density
C. Reluctance
D. Magnetomotive force
E. None of the above

Correct Answer:  A. Number of lines of force

9. Who invented the first junction transistor?

A. Smith
B. Gomes
C. Fisher
D. Shockley
E. None of the above

Correct Answer:  D. Shockley

10. When a series RLC circuit is operating at its resonant frequency:

A. capacitive reactance is greater than the inductive reactance
B. inductive reactance is greater than the capacitive reactance
C. inductive reactance is equal to the capacitive reactance
D. the difference between inductive and capacitive reactance is equal to the resistance
E. None of the above

Correct Answer:  C. inductive reactance is equal to the capacitive reactance

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