Jinsi ya kukokotoa Watts to Amps
Watts to Amps ni nini?
A watts to amps converter calculates electrical current from power and voltage using Ohm's law. It is used for sizing circuit breakers, fuses, and cables for electrical installations.
Fomula
A (DC) = W / V; A (AC) = W / (V × PF)
- W
- Power (W) — Electrical power in watts
- V
- Voltage (V) — Electrical potential difference in volts
- A
- Current (A) — Electrical current in amperes
- PF
- Power factor ((dimensionless)) — AC circuits only; typically 0.8–1.0
Mwongozo wa Hatua kwa Hatua
- 1Amps = Watts ÷ Volts (DC circuits)
- 2Amps = Watts ÷ (Volts × Power Factor) (AC circuits)
- 3Standard voltages: 120V (US), 230V (UK/EU), 240V (AU)
- 4Power factor for resistive loads = 1.0
Mifano Iliyotatuliwa
Ingizo
2400W appliance at 240V
Matokeo
10 amps
Ingizo
1200W microwave at 120V
Matokeo
10 amps
Ingizo
3000W oven at 240V
Matokeo
12.5 amps
Maswali yanayoulizwa mara kwa mara
What is the difference between watts and amps?
Watts measure power (energy per unit time). Amps measure current flow. Relationship: Watts = Volts × Amps.
Why do I need to know this?
For sizing circuit breakers, fuses, and electrical cables. An undersized wire can overheat; an incorrectly rated breaker won't protect the circuit.
What is power factor?
In AC circuits, power factor accounts for reactive loads (motors, inductors). A pure resistive load has PF = 1.0. Motors typically have PF = 0.8–0.95.
Je, uko tayari kukokotoa? Jaribu Kikokotoo kisicholipishwa cha Watts to Amps
Jaribu mwenyewe →