610
What does the silver band on a resistor mean?
10% tolerance
What three components make a capacitor?
Wire, plates, and diaelectric
What are the two parts of a diode?
Cathode, and anode.
What three components make an SCR?
Anode, Cathode, and Gate
What pin is number 1 on a DIP IC?
Upper left
How many legs does a potentiometer have?
3 legs
Transformer:
Primary Voltage 2200 volt
Primary Turns 2000
Secondary Turns 1000
What is the secondary voltage?
1100 volt
What are the uses of a diode?
Timing, Signal Isolation, Supression
AC component which remains after rectification
What is 12FA in in base 10?
4858
What voltage can you be exposed to by working on a VVVF drive?
1000 volt dc
In a four-pole generator how many cycles happen per revolution?
2 cycles
See Figure 8 615 page 4
What is inductive reactance?
Opposition to current flow through the inductor
What should a forward-biased SCR read on a diode test mode?
OL
unless a jumper is from the anode to gate
Gates:
XOR
Input A is 1 and Input B is 1
What is the output?
What is the resistance of a parallel circuit with a 25, 50, 60, and 100 ohms resistor?
11.62 ohm
Transformer formula for voltage is:
Ep Np
__. = ___
Es. Ns
What is this formula with amps?
Ep. Is
__ =___
Es. Ip
What is "inductive kick"?
Induced EMF that travels back through windings when power is disconnected
Op Amp
What does a voltage follower do?
Used to isolate one circuit from another and pass the input voltage to another circuit
Gates:
Two XNOR gates feed an AND Gate
Input A 1, Input B 1, Input C 0, Input D 1
What is the output of the AND gate?
0
Name all five rules of a parallel circuit?
See 610 pages 15
What is one coulomb equal to in electrons?
6.24 X 10 18th power electrons
What is the notch effect?
Drive effects cause distortion to the AC power supply
See page 12 625
Op Amp
What is an integrator?
Develops an output that is proportional to amplitude of the input times the duration of the input
What does a solder joint with an arching connection look like?
White, powdery appearance