The knee voltage of a diode is approximately equal to the
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Electronic Principles
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A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have?
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The rms value of a sine waveform is:
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Which one of the following is a direct statement of Ohm's law?
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A high-pass filter:
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Which one of the following statements is true for the voltages in a series RC circuit?
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A battery is a device composed of one or more:
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Doubling the operating voltage of a purely capacitive circuit:
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How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?
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The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?
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What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm
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Molecule is
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What form of energy is used for creating static electricity?
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Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?
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A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current?
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A dielectric material is:
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A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns?
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If a load resistance is 1 kW, a stiff current source has a resistance of
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A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff?
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The number of free electrons and holes in intrinsic semiconductor increases when the temperature
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