. THE POLYTECHNIC, IBADAN
DEPARTMENT OF ELECTRICAL ENGINEERING
SECOND SEMESTER EXAMINATION 2016/2017 ACADEMY SESSION
COURSE TITLE: ELECTRICAL AND ELECTRONIC INSTRUMENTATION 11
COURSE CODE: EEC 216. CLASS:ND11
TIME ALLOWED: 2 HOURS.
INSTRUCTION: ANSWER QUESTION ONE AND ANY OTHER THREE
QUESTION AND ANSWER
QUESTION ONE
- Briefly explain a cathode ray oscilloscope [6 marks]
CATHODE RAY OSCILLOSCOPE: These are familiar piece of measuring equipment, as no Tv programme with a science content is complete without the display of instantaneous voltage values on an oscilloscope. It is an indispensable instrument in any laboratory where voltage form a simple basic instrument to the sophisticated/complex programmable instrument with digital readout, are written on the oscilloscope, only the principles and main features of these instruments are introduced here.
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