- Phase to Phase
- Phase to Earth
- Both of the above
- Only A
- Only B
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Q) Voltage means difference of potential?
Solution:
Voltage means difference of potential Phase to Phase and Phase to Earth
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