7/29/2019 Ect Board April 2012- Compilation

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1. Voltage across the silicon 6V2. a separate signal carried on a main radio transmission, which carries extra information.

Subcarrier

3. a method of removing magnetism. degaussing4.

volatile types of memory RAM

5. Type of electrolytic capacitor Aluminum Capacitor6. Which is a prime number (choose from the choices)7. Republic Act No. 9292 April 17, 20048. responsible for the supervision over all telecommunications services throughout

the Philippines.National Telecommunications Commission

9. the science dealing with the development and application of devices and systemsinvolving the flow of electrons Electronics

10.Term of Office of the Board. 3 years11.Professional Regulatory Board of Electronics Engineering, referred to as the Board12.Work problem 24 days13.Basic geometry problem (diagonal of a square) 11.3m14.light source of fiber cable LED or ILD15.problem in series parallel resistance 400ohms16.problem on transformer winding 200At17.meaning of MAC Media Access Control18. records ground movements caused by earthquakes, explosions, or other phenomena.

Seismograph

19.combines on one wire the video information required to recreate a color picture, as wellas line and frame synchronization pulses. composite video signal

20.problem in series capacitance21.problem in series parallel inductance 24Henry22.measure of the resistance to the formation of an electric field in a medium. permittivity23.maximum voltage output of cable television 24V24.use to create small holes. Power drill25.experiences static effect Voltmeter26.mkas unit of magnetic flux Weber27.lagging of magnetic flux Hysteresis28.practical question about crimping tool choose the best answer29.use to transfer electrical energy from one circuit to another coupler30.device for adding or multiplying signal voltages together. Mixer

http://en.wikipedia.org/wiki/Digital_signalhttp://en.wikipedia.org/wiki/Radiohttp://en.wikipedia.org/wiki/Transmission_(telecom)http://en.wikipedia.org/wiki/Volatile_memoryhttp://en.wikipedia.org/wiki/Philippineshttp://en.wikipedia.org/wiki/Philippineshttp://en.wikipedia.org/wiki/Volatile_memoryhttp://en.wikipedia.org/wiki/Transmission_(telecom)http://en.wikipedia.org/wiki/Radiohttp://en.wikipedia.org/wiki/Digital_signal