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Associate CET practice exam Actual Questions and Answers 100% Correct | Updated 2024
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Associate CET practice exam Actual Questions and Answers 100% Correct | Updated 2024 8.33 meters is the full wavelength in air for what RF frequency? - Answer 36 MHz Decimal 164 would appear as ________ in binary? - Answer 10100100 A resistor has color stripes yellow, violet, violet, silver. It is: - Answer 470 MegOhm +/ - 10% what is the total capacitance of three capacitors valued at 100pf, 100pf, and 50pf when connected in a series? - Answer 25 pf what is the ripple frequency of a full wave single phase bridge rectifier operated at 60Hz? - Answer 120Hz When heated or cooled, a ________emits a voltage. - Answer theromcouple Which wire size is physically largest? - Answer #8 Adding the binary numbers 101011 and 001110 will give you what result? - Answer 111001 A component that reduces in resistance as it is heated: - Answer Is a negative temperature coefficient thermistor An autotransformer: - Answer has a single winding A dual trace oscilloscope differs from a single trace in that only the dual trace scope: - Answer alternates sweeps If an RF signal voltage is reduced by 6 dB, it is then: - Answer half the original size Applying positive voltage to the P end and negative to the N end of a germanium diode: - Answer will forward bias it You would probably prefer a digital VOM over an ordinary analog meter: - Answer for most accuracy You should expect the video amplifier in a radar or TV receiver to have a frequency response of: - Answer 0-6 MHz The radio communication mode that utilizes the basic frequency and one of the side bands: - Answer is called "SSB" When using fiber optics to transfer a signal, the light must: - Answer Enter the "cone of acceptance" The energy stored in a coil is measured in: - Answer Joules The telephone communication term "cellular" refers to: - Answer small geographic areas covered by each base station. Integrated Circuit failures often exhibit: - Answer open or short conditions Which of these would you normally choose to cause an LED to light? - Answer 3 V DC A capacitor (3/8" x 1/8" ceramic or mica) marked 47K is: - Answer 47pf+/ - 10% A digital storage oscilloscope: - Answer uses micro processing and memory to allow close analysis of signals; is specially designed for analyzing digital signals; converts analog input signals to a digital display Carbon microphones are much like variable: - Answer Resistors An antenna that is longer than another: - Answer will have a lower resonant frequency An 8 -bit binary code allows ______ logical combinations. - Answer 256 An inductor in an electronic circuit: - Answer resists AC current flow A printer directly connected to a personal computer would use a _______ connection. - Answer USB or parallel Centronics The digital method of representing characters by using combinations of zeros and ones is called: - Answer binary Fm utilizes ______ where AM utilizes signal level variations. - Answer frequency variations What decimal number is represented by the binary number 01101010? - Answer 106 Decimal 50 would appear as _____ in Hex. - Answer 32 Of these choices, the display of a DMM would probably be: - Answer LCD A disadvantage of LCD is: - Answer environmental temperature sensitivity A series DC motor maintains a constant speed with changing loads? - Answer may be damaged by excessive speed Which motor maintains constant speed with changing loads? - Answer Shunt A small power drill or electrics mixer would probably be powered by a/an ______ motor. - Answer series The rotor in an induction motor is not connected to AC or DC power. - Answer TrueThe benefits of buying summaries with Stuvia:
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