BE LAB VIVA QUES
EXPERIMENT 1 AIM : Study the operation of digital multimeter / signal generator ,cathode ,ray oscilloscope ,amplitude, phase and fq of sinusoidal ,phase signal . Q1. What is the function of a CRO ? ANS- Measurement Q2. What is the principal of CRO ? ANS- Electrostatic Q3. Which component generates the electron beam ? ANS- Cathode Q4. What is used to focus the electron beam ? ANS- Electrodes Q5. What deflects the beam horizontally ? ANS- Timebase Q6. What deflects the beam vertically? ANS-Plates . Q7.Which axis represent voltage? ANS-y-axis. Q8.Which axix represent time? ANS-x-axis. Q9.What type of waveform prodce on a sine wave produce on cro? ANS- sinusodial. Q10. What is the purpose of the time/div control? ANS-Scaling. Q11. What is the phosphor-coated screen made of? ANS-Fluorescent. Q12. What amplifies the input signal in CRO? ANS-Amplifier. Q13. What type of device is a CRO? ANS-Analog. EXPERIMENT 2 AIM: To st...