- H12Q4 - An oil filled continuous duty capacitor suitable for use on a 120 volt ac circuit has a rating of 20 uf (microfarads). When converted to farads, this capacitor has a rating of:
- The development of the ___________ and later the __________ circuit enabled the incredible growth of the digital industry
- H11Q19 - The above 3-phase electrical system that has a phase with a higher voltage to ground than the other two phases is:
- H12Q10 - A 60 Hertz, 120 volt ac circuit has a 200 ohm resistor in series with an 88.4 ohm capacitive reactance. If the impedance of the circuit is 219 ohms and the current flow is 0.548 amperes, the voltage drop across the resistor will be 109.6 volts and the voltage drop across the capacitor will be:
- H11Q18 - The above electrical system that is a corner grounded 3-phase delta electrical system is
- what logic gate requires ALL inputs to be high to get a high out
- H12Q9 - A 60 Hertz ac circuit has a resistor in series with a capacitor. The value of the resistance is 30 ohms and the value of the capacitive reactance if 40 ohms. The total current flow in the circuit energized at 120 volts will be:
- Digital circuits were developed in the 1800's for the ____________
- Digital electronic features circuits that switch between __________ states, __________ and ________
- H12Q5 - A capacitor with a rating of 90 uìf (0.00009 farads) when installed in a 60 Hertz ac circuit will have a capacitive reactance of: ( Xc=1/(2 pi hertz*C) )
- H12Q2 - The steady state current flow when the circuit is powered by a 120 volt, 60 Hertz ac supply with a capacitive load of 12 ohms of capacitive reactance (XC) is:
- H12Q3 - The total impedance of a 60 hertz ac circuit with a 6 ohm resistor in series with a capacitor with a capacitive reactance (XC) of 6 ohms is:
- H12Q8 - If a 240 volt, 60 Hertz circuit has a resistor with a value of 15 ohms in series with an inductor with an inductive reactance (XL ) of 15 ohms, and a capacitor with a capacitive reactance (XC) of 15 ohms, the impedance of the circuit is:
- H11Q5 - The missing voltage for the electrical system is
- H12Q6 - An inductor with a rating of 0.1326 henries when installed in a 60 Hertz ac circuit will have an inductive reactance of: ( XL=(2 pi hertz*L) )
- H11Q14 - The above electrical system that only provides single-phase electrical power is:
- H10Q13 - Refer to the diagram. The current is measured in one of the "hot" wires feeding a 120/240 volt, 3-wire single-phase service and the value measured is 46 amperes. The current in the other "hot" wire is also measured with a value of 37 amperes. The current that would be expected in the neutral would be approximately:
- H11Q10 - Phase A is indicated on the diagram of the electrical system. The identification of the other wire indicated is:
- H11Q17 - The above system that can provide 3-phase power and 120/240 volt single-phase power is:
- H11Q3 - The missing voltage for the electrical system is