Author: Ayush Waghule

1. Single Phase Wires: Usually Phase (L) + Neutral (N) + Earth Voltage: About 230 V in India Used for: Homes and small loads Examples: Fan, light, TV, refrigerator, small motor Power: Suitable for comparatively smaller loads 2....

1. Electrical Units NameSymbolUnitVoltageVVoltCurrentIAmpere (A)PowerPWatt (W)ResistanceROhm (Ω)FrequencyfHertz (Hz)EnergyEkWh 2. Main Formulas Voltage: V = I × R Current: I = V ÷ R Resistance: R = V ÷ I Power: P = V × I Current...