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X10 in a CRO means ________

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X10 in a CRO means ________

(a) one tenth

(b) control knob

(c) 10 times as normal

(d) attenuate the voltage by 10 times

This question was posed to me in examination.

The question is from Front Panel Controls of CRO in section Oscilloscopes of Electrical Measurements

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Best answer
Correct option is (c) 10 times as normal

Easy explanation: In a Cathode Ray Oscilloscope X10 indicates that gain of the vertical amplifier is made 10 times that of the normal value. When the X10 switch is turned ON, scope of the CRO is et to 0.05 V/cm.

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