engineering recuitment UPPCL Technician Electrician 2022 Mock Test Electrical and Electronics Measurements Cathode Ray Oscilloscope
Which of the following variables can be measured directly by CRO?
1. Current
2. Voltage
3. Phase difference
4. Frequency1
1, 3 and 4
2
2, 3 and 4
3
1, 2 and 3
4
1, 2, 3 and 4