CSE :: 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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A.
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
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B.
The total resistance of a parallel circuit is less than the value of the smallest resistance
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C.
The algebraic sum of voltages in a loop is equal to zero
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D.
The algebraic sum of currents entering and leaving a point is equal to zero
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E.
None of the above
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A.
The total voltage is equal to the sum of the voltages across the resistance and capacitance
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B.
The voltage always has the same amplitude and phase for every part of the circuit
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C.
The total voltage is less than the sum of the voltages across the resistance and capacitance
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D.
The total voltage is greater than the sum of the voltages across the resistance and capacitance
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E.
None of the above
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