A balanced 3-phase system consists of
A). zero sequence currents only
B). positive sequence currents only
C). negative and zero sequence currents
D). zero, negative and positive sequence currents
1. In an LC circuit, when the capacitor is maximum, the inductor energy is ___________
2. The instrument used to check insulation of household wiring is
4. offers the highest electric load.
5. The resistance of LDR ____________ when exposed to radiant energy.
6. Natural air cooling is generally restricted for transformers up to