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Question: Once the active medium is excited, the first photons of light are produced by which physical process?
- Blackbody radiation
- Spontaneous emission
- Synchrotron radiation
- Planck's oscillation
Question: The first step to getting output from a laser is to excite an active medium. What is this process called?
Question: What does AM mean?
- Angelo marconi
- Anno median
- Amplitude modulation
Question: What frequency range is the High Frequency band?
- 100 kHz
- 1 GHz
- 30 to 300 MHz
- 3 to 30 MHz
Question: What does EPROM stand for?
- Electric Programmable Read Only Memory
- Erasable Programmable Read Only Memory
- Evaluable Philotic Random Optic Memory
- Every Person Requires One Mind
Question: What does the term PLC stand for?
- Programmable Lift Computer
- Program List Control
- Programmable Logic Controller
- Piezo Lamp Connector
Question: Which motor is NOT suitable for use as a DC machine?
- Permanent Magnet Motor
- Series Motor
- Squirrel Cage Motor
- Synchronous Motor
Question: What does VVVF stand for?
- Variant Voltage Vile Frequency
- Variable Velocity Variable Fun
- Very Very Vicious Frequency
- Variable Voltage Variable Frequency
Question: The sampling rate, (how many samples per second are stored) for a CD is...?
- 48.4 kHz
- 22,050 Hz
- 44.1 kHz
- 48 kHz
Question: A Compact disc (according to the original CD specifications) hold how many minutes of music?
- 74 mins
- 56 mins
- 60 mins
- 90 mins
Question: Sometimes computers and cash registers in a foodmart are connected to a UPS system. What does UPS mean?
- United Parcel Service
- Uniform Product Support
- Under Paneling Storage
- Uninterruptable Power Supply
Question: What does AC and DC stand for in the electrical field?
- Alternating Current and Direct Current
- A Rock Band from Australia
- Average Current and Discharged Capacitor
- Atlantic City and District of Columbia
Question: Which consists of two plates separated by a dielectric and can store a charge?
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