Find the frequency response and graph it for each of the filters in Figure E-54.




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When the SCR is used for voltage control, a ____ is connected in series with the load resistor.

a. gate inverter b. bridge inverter c. gate rectifier d. bridge rectifier

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What type of humidifier has air flow from the supply plenum, through the humidifier, and into the return plenum?

A) A steam humidifier B) A bypass humidifier C) A vaporizing humidifier D) An atomizing humidifier

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When checking blade slot clearance, if the clearance is too great (slots are too wide), ________

A) the blades are adjusted accordingly B) the rotor must be replaced C) the corresponding blades must be replaced D) the rotor is readjusted to alter the clearance

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Which of the following is the threshold at which a power source is considered high voltage in the context of safety?

a. 120V b. 240V c. 480V d. 600V

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