Power equals voltage times current in amps. The value of amps used is needed to do the math.
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To determine the amperage required by a 12-volt audio radio, you would need to know the power consumption of the radio in watts. You can then use the formula: Amps = Watts / Volts to calculate the amperage.
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.
To convert watts to amps at 120 volts, use the formula: Amps = Watts / Volts. For 1500 watts at 120 volts, the calculation would be: 1500 watts / 120 volts = 12.5 amps.
When you multiply amps x volts the product is watts. Using this formula W = Amps x Volts should give you your answer.
To convert watts to amps, you can use the formula: Amps = Watts / Volts. In this case, to convert 200 watts at 12 volts to amps, it would be: 200 watts / 12 volts = 16.67 amps. So, 200 watts at 12 volts is approximately 16.67 amps.
The amps required for a device depend on its power consumption. You can calculate the amps by dividing the power rating (in watts) by the voltage (in volts) of the device. For example, a 1200 watt device plugged into a 120-volt outlet would require 10 amps (1200 watts / 120 volts = 10 amps).