Title: PE EXam3 MC
Course: 15/SP Power Electronics Theory (ELTR-2560-31) > Section: Assignments

Q: In electronics the acronym IC stands for ______ .
- Instantaneous Current
- Integration Current
- Integrated Circuit
- Inverted Circuit
A: Integrated Circuit

Q: In electronics the acronym DIP stands for ______ .
- Derivative Integration Package
- Derivative Integration Port
- Diac Integrated Package
- Dual Inline Package
A: Dual Inline Package

Q: An IC such as an OpAmp or 555 timer may include many transistors and other components in one semiconductor package.
- true
- false
A: true

Q: <b>Increasing </b>the supply voltage (Vcc) of a 555 timer (within its operating range) will  ____ the time of the timing operation.
- increase
- decrease
- not change
- cause oscillation of
A: not change

Q: The timing of a 555 timer circuit is based on _______.
- the voltage of the power supply
- the polarity of the input diode
- an RC circuit
- frequency of the power supply
A: an RC circuit

Q: PWM stands for _____________ and is a way to control speed of a motor.
- Pulse Wave Movement
- Polarity Winding Magnetics
- Pulse Width Modulation
- Polarity Wave Modulation
A: Pulse Width Modulation

Q: The term Op Amp stands for __________ .
- operational amplifier
- opposed amperes
- opposite amperes
- oscillating amplifier
A: operational amplifier

Q: The term PID (controller) stands for __________ .
- Potential, Intensity, Divider
- Potential, Integral, Density
- Proportional, Integral, Derivative
- none of these
A: Proportional, Integral, Derivative

Q: The three main terminals of an op amp are called the ________.
- In, Out, Regulator
- Inverting, Non-inverting, output
- Proportional, Integral, Derivative
- Integrate, Non-Integrate, Output
A: Inverting, Non-inverting, output

Q: This is the symbol for a ___________.<img width="76" height="47" align="bottom" alt="mc010-1.jpg" src="ppg/examview/PE_EXam3_MC/00001_res/mc010-1.jpg" border="0">
- general purpose IC
- Op-Amp
- hall effect sensor
- 555 timer
A: Op-Amp

Q: In industrial controls this symbol may represent a ____________  <img width="76" height="47" align="bottom" alt="mc011-1.jpg" src="ppg/examview/PE_EXam3_MC/00001_res/mc011-1.jpg" border="0">
- comparator
- timer
- and gate
- or gate
A: comparator

Q: This is the symbol for a ______ transistor  <img width="81" height="100" align="bottom" alt="mc012-1.jpg" src="ppg/examview/PE_EXam3_MC/00001_res/mc012-1.jpg" border="0">
- FET
- NPN
- PNP
- IGBT
A: PNP

Q: A bipolar transistor (BJT), such as an NPN or PNP,  is controlled with _____________. 
- gate current
- gate voltage
- base current
- emitter regulation
A: base current