CET study guide 2024 with complete solutions

CET study guide 2024 with complete solutions The "1" in binary number carries a decimal weight of ___________. - Answer- 32 Which of these is within tolerance for a resistor that is color coded red, black, red and gold? - 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? - 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. - Answer- True A voltmeter that converts AC to DC by rectifying the voltage would be used to indicate the correct value of measured _______. - Answer- Sine waves Regarding PC's, what does "RAM" mean? - Answer- Random Access memory What is the binary number for decimal number 6? - 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. - Answer- 0.1 R The term for the combination of resistance and reactance that restricts the flow of alternating current is _______. - Answer- Impedance Adding the binary numbers 110111 and 001101 will give which one of these results? - Answer- 1000100 How should a fuse be installed in a circuit to ensure proper operation? - Answer- In series with the load A lead-acid battery cell, when charged, has a nominal value of ________. - Answer- 3.4 volts Common analog telephone lines, on hook, may be expected to have what DC voltage level on one of the wires? - Answer- -48 v A dual-trace scope has ___________. - Answer- Two vertical inputs What determines the velocity factor in a transmission line