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Cathode Ray Oscilloscope MCQ (Multiple Choice Questions) PDF Download
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The MCQ: In C.R.O, the grid is connected to the; "Cathode Ray Oscilloscope" App Download (Free) with answers: Positive potential; Negative potential; Alternating current (AC) source; Direct current (DC) source; to study online certificate courses. Solve Basic Electronics Quiz Questions, download Apple eBook (Free Sample) for online school and college.
Cathode Ray Oscilloscope MCQs: Questions and Answers PDF Download
A cathode ray oscilloscope consists of
- The electron gun
- The deflecting plates
- A fluorescent screen
- all of above
In C.R.O, the grid is connected to the
- positive potential
- negative potential
- Alternating current (AC) source
- Direct current (DC) source
The number of electrons from grid reaching the screen determines the
- brightness level
- picture quality
- sound quality
- none of above
An instrument which is used to display the magnitudes of changing electric currents or potentials is called
- cystoscope
- gastro-scope
- microscope
- cathode-ray oscilloscope
Material which gives light as a result of bombardment of fast-moving electrons is
- Carbon
- Graphene
- Potassium
- Phosphorus
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Cathode Ray Oscilloscope Learning App: Free Download (Android & iOS)
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Cathode Ray Oscilloscope MCQs Book Questions
- Pitch of sound depends upon
- When waves moving in one medium fall on surface of another medium they bounce back into first medium such that angle of incidence is equal to angle of reflection. This phenomenon is known as
- After reflection from a concave mirror, rays of light parallel to principal axis converge to a point which is called
- Which one is true about magnetic poles?
- Outer concentric shell in fiber optic is called