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Computer Science · all questions

Electronic Principles
practice.

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Which one of the following statements is true for the voltages in a series RL circuit?

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The core of an electromagnet is said to be in saturation when:

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As the temperature increases, the current gain

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Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91?

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Doubling the diameter of the coil in an inductor:

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Which one of the following statements is true for the impedance of a series RC circuit?

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If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point

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What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding?

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What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz?

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Which one of the following is a statement of KirchhofFs voltage law?

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What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm?

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Current can flow through a normally open push button switch as long as:

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Doubling the operating frequency of a purely capacitive circuit:

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How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source?

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An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current?

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The total capacitance of a series capacitor circuit is:

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Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?

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To get the Thevenin voltage, you have to

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

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How many types of flow are there in a semiconductor?

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