CET Study Guide: Mastering Electronics Concepts, Exams of Nursing

Download CET Study Guide: Mastering Electronics Concepts and more Exams Nursing in PDF only on Docsity! CET study guide(questions well answered) The "1" in binary number carries a decimal weight of ___________. - correct answer ✔✔32 Which of these is within tolerance for a resistor that is color coded red, black, red and gold? - correct answer ✔✔2000 and 1900 ohm's Which would be the most likely cause of hum in an amplifier- but only when it is switched to the CD position? - correct answer ✔✔Bad shielded cable from the CD to the amplifier input When measuring power to a speaker, a doubling of the power represents a 3 dB increase. - correct answer ✔✔True A voltmeter that converts AC to DC by rectifying the voltage would be used to indicate the correct value of measured _______. - correct answer ✔✔Sine waves Regarding PC's, what does "RAM" mean? - correct answer ✔✔Random Access memory What is the binary number for decimal number 6? - correct answer ✔✔0110 In order for a capacitor to function as a coupling capacitor, Xc, must be less than ______ at the lowest frequency at which the AC circuit is operating. - correct answer ✔✔0.1 R The term for the combination of resistance and reactance that restricts the flow of alternating current is _______. - correct answer ✔✔Impedance Adding the binary numbers 110111 and 001101 will give which one of these results? - correct answer ✔✔1000100 How should a fuse be installed in a circuit to ensure proper operation? - correct answer ✔✔In series with the load A lead-acid battery cell, when charged, has a nominal value of ________. - correct answer ✔✔3.4 volts Common analog telephone lines, on hook, may be expected to have what DC voltage level on one of the wires? - correct answer ✔✔-48 v A dual-trace scope has ___________. - correct answer ✔✔Two vertical inputs What determines the velocity factor in a transmission line? - correct answer ✔✔the dielectric material of the line As the input frequency to an operational amplifier increases over a broad frequency range (e.g. 1kHz to 1gHz), the output signal level usually ________. - correct answer ✔✔decreases Total power in a series circuit is determined by the _________. - correct answer ✔✔Source voltage multiplied by the current Integrated circuit failures often exhibit ____________. - correct answer ✔✔Audible noise Which of the following circuit configurations has the same amount of voltage drop across each of its components? - correct answer ✔✔parallel The Y axis of an oscilloscope is used to measure - correct answer ✔✔amplitude When replacing a DIP chip, ____________. - correct answer ✔✔Use ESD static grounded soldering pencil or work station What is the equivalent to microwatts ? - correct answer ✔✔0.1 milliwatts