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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A sine wave is described as v(t) = 30 V sin (350t). This means that the angular frequency of this waveform is 1) A) 350 Hz B) 5.75 rad/s C) 350 rad/s D) 173 rad/s 2) Name an example of a non-linear amplifier output. 2) A) An amplified audio signal B) A sinusoidal waveform C) A square wave D) An output signal from a electric guitar 3) A vector must meet the following conditions: 3) A) It must represent an electrical quantity B) It must have a quantity of voltage and a period of time C) It must have volume and direction D) It must have magnitude and direction 4) If the second stage of two cascaded amplifiers has its input resistance decrease, what will happen to the magnitude of the output signal? 4) A) load voltage will decrease but load current will increase B) it will decrease C) there will no change D) it will increase 5) Which term does not define ac resistance? 5) A) Reactance B) Dynamic resistance C) Small signal resistance D) Bulk resistance 6) Sampling is the process of? 6) A) Testing gain by measuring output on a oscilloscope B) Rejecting high or low signals C) Breaking down an analog wave into time slices D) Troubleshooting by inputting a signal 7) What converts some physical quantity into an electrical quantity to be measured? 7) A) Ammeter B) Voltmeter C) Sensor D) Transducer 8) The no-load output voltage of a complex linear circuit is measured as 600 mV. When a 220 Ì› load is connected, the load voltage is found to be 48
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