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By making use of a CRO _________

(a) many characteristics of a signal can be measured

(b) only a few characteristics of a signal can be measured

(c) no characteristics of a signal can be measured

(d) signal can only be displayed

I got this question in an internship interview.

Query is from CRO Measurements topic in section Oscilloscopes of Electrical Measurements

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Right choice is (a) many characteristics of a signal can be measured

To explain I would say: Through the means of a Cathode Ray Oscilloscope, most of the characteristics of an input signal can be measured. Properties of a signal can be studied as well.

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