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Computer Science · all questions

Electronic Principles
practice.

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Which one of the following phrasers best describes flux density?

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Which is the most widely used semiconductor?

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The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current?

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An intrinsic semiconductor has some holes in it at room temperature. What causes these holes?

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Which one of the following statements is true?

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An audio transformer has a turn ratio of 9, What is its impedance ratio?

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Which one of the following statements is true?

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How many protons does the nucleus of a silicon atom contain?

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A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

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The emitter diode is usually

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1 Microfarad is the same as:

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Which one of the following statements is true for resistance in a parallel circuit?

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The direction of conventional current flow is:

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Doubling the operating frequency of a purely inductive circuit:

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The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:

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What is a free electron?

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To get the Norton current, you have to

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The barrier potential accross each depletion layer is

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

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What kind of battery is most likely included in a cordless electric knife?

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