| 11. |
The first step to getting output from a laser is to excite an active medium. What is this process called? |
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| 12. |
What is the relationship between resistivity r and conductivity s? |
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| 13. |
Which motor is NOT suitable for use as a DC machine? |
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| 14. |
What does the term PLC stand for? |
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| 15. |
In which year was MIDI(Musical Instrument Digital Interface) introduced? |
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