The cathode Ray Oscilloscope or mostly called as CRO is an electronic device used for giving the visual indication of a signal waveform.
It is an extremely useful and the most versatile instrument in the electronic industry.
CRO is widely used for trouble shooting radio and television receivers as well as for laboratory research and design.
Using a CRO, the wave shapes of alternating currents and voltages can be studied. It can also be used for measuring voltage, current, power, frequency and phase shift.
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