CET study guide questions and answers 100% pass

CET study guide questions and answers 100% pass Which of the following wires has the greatest cross sectional area? 9 AWG The capacitance of a capacitor ____if the distance between the plates decreases while all other properties of the capacitor remain the same. increases A voltmeter that converts AC to DC by rectifying the voltage, would be used to indicate the correct value of measured ______. varying DC voltages only in the drawing below, what is the current through the resistor? 10V 5Ω 2 amps which of the below waveforms show approx. one complete cycle? A and D What is the peak voltage of the waveform below? (up 7V) 7v which of the below would be the best test freq. for general audio troubleshooting? 1 KHz what is the purpose of a coupling capacitor? to pass ac signal while isolating dc part of circuit which would be the most likely cause of hum in an amplifier, but only when switched to CD pos. bad shilded cable from the cd to the amp input distortion in an audio amp occurs when _____? an amp stage input signal level is too high oscillators use quartz crystals. what effect do these crystals show? piezoelectric effect this dc circuit will require how many rc time constants to charge the capacitor to 63% of the applied V? 1 which one of the following integrated circuit or semiconductor devices normally require the most careful handling to avoid damage by static electricity? CMOS an inductor with the same length of wire but whose coils are spaced further apart will have ______? less inductance what freq. will the parallel LC circuit to the right be resonant to? 159 Hz if sw1 were open, the output of the gate circuit shown will be ____. low in the circuit below what would expect the voltage to be at pint A 12.3V what number is the pin designated by the arrow