railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Cathode Ray Oscilloscope Construction of CRO
In a Cathode Ray Oscilloscope (CRO), how is a time delay measured?
1
By varying the intensity of the electron beam
2
By adjusting the brightness of the display
3
By using the time base control and measuring the horizontal shift
4
By changing the vertical deflection voltage