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DigiCalcs

Electric Power ની ગણતરી કેવી રીતે કરવી

Electric Power શું છે?

Electric power is the rate at which electrical energy is transferred or consumed. P = V × I (voltage × current), and by Ohm's law can also be expressed as P = I²R or P = V²/R. Measured in watts (W) or kilowatts (kW).

પગલું દ્વારા પગલું માર્ગદર્શિકા

  1. 1P = V × I (Power = Voltage × Current)
  2. 2P = I² × R (using resistance and current)
  3. 3P = V² / R (using resistance and voltage)
  4. 4Energy consumed: kWh = kW × hours; cost = kWh × tariff rate

Worked Examples

ઇનપુટ
230V supply · 5A current
પરિણામ
Power = 1,150W (1.15 kW)
230 × 5 = 1,150
ઇનપુટ
2kW heater on 4 hours · 28p/kWh tariff
પરિણામ
Cost = £0.56 (56p)
2 × 4 × 0.28 = £2.24/day if 4hr/day

સेटिंग्स