Title: PE 1 semiconductor scopes
Course: 15/SP Power Electronics Theory (ELTR-2560-31) > Section: Learning Modules

Q: Silicon is a more common semiconductor than germanium because silicon is ____________.
- a better conductor
- much cheaper
- heat tolerant
- a better resistor
A: heat tolerant

Q: Semiconducting material with extra electrons is ____ material, while that with extra holes is ____ material.
- N, H
- P, H
- N, P
- pure, modified
A: N, P

Q: The process of adding  impuritiest o pure silicon to create P and N material is called _____.
- doping
- loading
- PN modification
- NP modification
A: doping

Q: Some electronic components must be _____ in order to operate at their listed power rating.
- heat-treated
- mounted horizontally
- pre-heated
- heat sinked
A: heat sinked

Q: An oscilloscope is a ______ meter.
- amp
- ohm
- volt
- frequency
A: volt

Q: An oscilloscope waveform extends 2.5 divisions vertically and the scope is set for 1v/div.  A 10:1 attenuating probe is used.  What is the peak to peak voltage of the waveform?
- .25
- 2.5
- 25
- 250
A: 25

Q: One cycle of an oscilloscope waveform extends 4 divisions horizontally and the scope is set for 1ms/div.  A 10:1 attenuating probe is used.  What is the frequency (in HZ) of the waveform?
- 2500
- 2.5
- 25
- 250
A: 250

Q: The small clip on the side of an Oscilloscope lead is electrically connected to:___________
- ground
- the scope’s case
- the system neutral
- All of these
A: All of these

Q: The horizontal controls of an oscilloscope adjust _____ while vertical controls adjust _____.
- voltage, triggering
- triggering, voltage
- voltage, time
- time, voltage
A: time, voltage

Q: The AC mode on an oscilloscope ________.
- amplifies AC
- cleans up AC
- adds DC
- blocks DC
A: blocks DC

Q: The two primary purposes of a resistor are: ____________.
- voltage divider, limit current
- frequency and voltage control
- capacitive and inductive coupling
- voltage limiting, current dividing
A: voltage divider, limit current