# Computer Science - Electronic Principles

### Exercise :: Electronic Principles - Section 5

1.

Which one of the following statements is true?

 A. Current flows in a capacitor circuit only while ions are permitted to flow through the dielectric material B. Current flows in a capacitor circuit only while the charge on the plates is large enough to force the dielectric to conduct electrons C. Current can flow in a capacitor circuit, but not through the dielectric material itself D. Power returned to the circuit is always greater than the power absorbed E. None of the above

Explanation:

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2.

What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

 A. 692.2 Ohm B. 844.5 Ohm C. 3890 Ohm D. 1234 Ohm E. None of the above

Explanation:

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3.

Holes act like:

 A. Atoms B. Crystals C. Negative charges D. Positive charges E. None of the above

Explanation:

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4.

How may valence electrons does a silicon atom have?

 A. 0 B. 1 C. 2 D. 4 E. None of the above

Explanation:

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5.

Reducing the amount of current through an inductor:

 A. reduces the value of inductance by one-half B. multiplies the value of inductance by four C. multiplies the value of inductance by two D. has no effect on the inductance E. None of the above