Electronic Principles – Section 2

6. What is a negative ion?

A. An atom that contains more electrons than neutrons
B. An atom that contains more protons than neutrons
C. An atom that contains more electrons than protons
D. An atom that contains more protons than electrons
E. None of the above

Correct Answer:  C. An atom that contains more electrons than protons

7. In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point

A. down
B. up
C. nowhere
D. off the load line
E. None of the above

Correct Answer:  A. down

8. Voltage is

A. The flow of charged particles through a material
B. The smallest electrically charged particle
C. Trie force that causes electrons to flow
D. The number of free electrons in an atom
E. None of the above

Correct Answer:  C. Trie force that causes electrons to flow

9. What is the turns ratio for the transformer specified in the above question?

A. 10.738
B. 0.707
C. 1.5
D. 0.575
E. None of the above

Correct Answer:  B. 0.707

10. The total impedance of a series RLC circuit:

A. is minimum at the resonant frequency
B. always increases as the applied frequency increases
C. always decreases as the applied frequency increases
D. is maximum at the resonant frequency
E. None of the above

Correct Answer:  A. is minimum at the resonant frequency

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