1.What frequency range is the High Frequency band?
100 kHz 1 GHz 30 to 300 MHz 3 to 30 MHz
2.The first step to getting output from a laser is to excite an active medium. What is this process called?
Pumping Exciting Priming Raising
3.Which motor is NOT suitable for use as a DC machine?
Permanent magnet motor Series motor Squirrel cage motor Synchronous motor
4.After the first photons of light are produced, which process is responsible for amplification of the light?
Blackbody radiation Stimulated emission Planck's radiation Einstein oscillation
5.Which is NOT an acceptable method of distributing small power outlets throughout an open plan office area?
Power Poles Power Skirting Flush Floor Ducting Extension Cords