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High-pass filter: Quiz

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Question 1: By the relationship between parameter α and ________ RC above, a large α corresponds to a large RC and therefore a low corner frequency of the filter.
RL circuitTime constantFourier transformRise time

Question 2: where fc is in ________, τ is in seconds, R is in ohms, and C is in farads.
Pascal (unit)HertzVoltJoule

Question 3: Figure 2 shows an active electronic implementation of a first-order high-pass filter using an ________.
Operational amplifier applicationsElectronic amplifierOperational amplifierFully differential amplifier

Question 4: And rearranging terms gives the ________
Generating functionRecurrence relationContinued fractionHypergeometric series

Question 5: They are used as part of an ________ to direct high frequencies to a tweeter while attenuating bass signals which could interfere with, or damage, the speaker.
Low-pass filterLoudspeakerElectronic filterAudio crossover

Question 6: The simple first-order electronic high-pass filter shown in Figure 1 is implemented by placing an input voltage across the series combination of a ________ and a resistor and using the voltage across the resistor as an output.
CapacitorCapacitanceInductorElectronic component

Question 7: The expression for parameter α yields the equivalent ________ RC in terms of the sampling period ΔT and α:
Fourier transformTime constantRise timeRL circuit

Question 8: A high-pass filter, or HPF, is an LTI filter that passes high frequencies well but ________ (i.e., reduces the amplitude of) frequencies lower than the filter's cutoff frequency.
Inverse-square lawTransparency and translucencyOptical fiberAttenuation

Question 9: From the circuit in Figure 1 above, according to Kirchoff's Laws and the definition of ________:
Coulomb's lawMaxwell's equationsCapacitanceMagnetism

Question 10: The product of the resistance and capacitance (R×C) is the ________ (τ); it is inversely proportional to the cutoff frequency fc, at which the output power is half the input power.
Fourier transformRise timeRL circuitTime constant







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