Computer Science - Electronic Principles

36. 

If the base supply voltage increases, the Q point moves

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

Answer: Option A

Explanation:

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37. 

Positive ions are atoms that have

A. Gained a proton
B. Lost a proton
C. Gained an electron
D. Lost an electron
E. None of the above

Answer: Option D

Explanation:

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38. 

Which one of the following is a statement of Kirchhoffs current law?

A. The current through a resistance is proportional to the value of resistance and the IR drop across it
B. The total current in a parallel circuit is less than the value of the smallest current
C. The algebraic sum of currents in a loop is equal to zero
D. The algebraic sum of currents entering and leaving a point is equal to zero
E. None of the above

Answer: Option C

Explanation:

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39. 

Which one of the following statements is true?

A. inductive reactance decreases with operating frequency
B. inductive reactance is at a maximum for dc source voltages
C. inductive reactance increases with operating frequency
D. There is no meaningful relationship between inductive reactance and operating frequency
E. None of the above

Answer: Option C

Explanation:

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40. 

A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation?

A. 200 mW
B. 300 mW
C. 20 mW
D. 10 mW
E. None of the above

Answer: Option A

Explanation:

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