Answer Posted / thowsif_emerson
The cathode-ray oscilloscope (CRO) is a common laboratory
instrument that provides accurate time and aplitude
measurements of voltage signals over a wide range of
frequencies. Its reliability, stability, and ease of
operation make it suitable as a general purpose laboratory
instrument.
For more details log on to:-
http://www.physics.sc.edu/~hoskins/Demos/CathodeRay.html
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