Front Panel Controls of CRO

Electrical Measurements

This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Front Panel Controls of CRO”.

1. Front panel of a CRO has _________
a) 4 sections
b) 8 sections
c) 15 sections
d) 20 sections

2. What is the role of the intensity section in a CRO?
a) decreases the light intensity
b) controls light intensity
c) increases the light intensity
d) keeps the light intensity zero

3. What is the role of the focus section in a CRO?
a) increases the focus
b) decreases the focus
c) controls sharpness
d) maintains the focus zero

4. What is the role of astigmatism in a CRO?
a) increases the intensity
b) used for voltage stability
c) diminishes the intensity
d) focus control

5. What is the role of scale illumination in a CRO?
a) measurement
b) illumination
c) sharpness
d) stability

6. What is the role of an invert in a CRO?
a) inverts the output
b) inverts the input
c) attenuates the input
d) magnifies the input

7. X10 in a CRO means ________
a) one tenth
b) control knob
c) 10 times as normal
d) attenuate the voltage by 10 times

8. Position knob in a CRO indicates ________
a) voltage position only
b) time position only
c) current position only
d) any pattern’s position

9. Alternate is used to shift the inputs.
a) True
b) False

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