The general rule is Current = Power/Voltage. That gives you a general idea. However it really does depend on weather its AC or DC too. If its AC, take 1680/120 volts = 14 amps. But thats just a general rule and its only for indication really, i wouldn't rely on it too much.
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To find the amperage, you can use the formula: Amperes = Watts ÷ Volts. Therefore, for 1680 watts at 120 volts, the amperage would be 14 amps.
To calculate power in watts, you multiply the current in amps by the voltage in volts. So, 7 amps at 240 volts would be 1680 watts (7 amps * 240 volts = 1680 watts).
The formula to calculate the relationship between amps, volts and watts is Volts X Amps = Watts or Volts = Watts / Amps or Amps = Watts / Volts therefore; 200 Watts divided by 1.95 Amps is 102.5641 Volts.
watts = volts * amps--> Amps = watts/ volts therefore; 2000/220= 9.09 amps
41.666 amps. Divide watts by volts.
30 amps at 12 volts is equal to 360 watts (P = V x I).