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
Which of the following variables can be measured directly by CRO?
1. Current
2. Voltage
3. Phase difference
4. Frequency