engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrical and Electronics Measurements Cathode Ray Oscilloscope
The output of a 12 V SMPS is monitored in an oscilloscope with AC coupling enabled and with the appropriate setting of time base and amplitude. What will be the waveform observed in the oscilloscope?
1
0 V
2
12 V DC
3
12 V DC with ripple
4
Ripple alone