# Computer Science - Electronic Principles

### Exercise :: Electronic Principles - Section 3

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

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

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

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

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