To determine the watts of power, multiply voltage x amperage. In this case, 120 volts x 10 amps- which is 1200 watts.
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Current is always I[A] = U[V] / R[ohm], unless more complex AC functions are required to calculate actual power (instead of the Volt-Ampere rating which feeds inductive loads as well).
Considering an incandescent bulb and using P=VxI P= Power Watts V= Volts I= Current (amperes) I=P/V I=75Watts/120Volts = 0.625 Amperes (A or Amps) Therefore the current through a 75watt bulb that is connected to a 120volt circuit is 0.625 amps.
The maximum is 15 x 120 watts, 1800 watts.
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In your home, the power outlets provide "Alternating Current", and in your car, the battery provides "Direct Current". The difference between "Alternating Current" and "Direct Current" is the changing relationship in reference to time. The battery in your car is a "Direct Current Power Source", with electrons that travel from the negative terminal of the battery, through some device such as a Radio, Lamp, etc., and follows the return path back to the positive side of the battery terminal. This is "Electron Flow Theory", commonly used to explain how electrical currents flow. In the United States, the electrical wall outlets in your home, will provide power for your Toaster, Coffee Maker, Stereo, Big Screen TV, etc., using current that changes directions, back and forth, 60-times per second, and is referred to as "Alternating Current".
Wire maker Pro Power rates their 7/0.1 at just 250mA when in a cable of 9, with screen around.
Power = (current) times (voltage)Current = (Power) divided by (voltage)Voltage = (Power) divided by (current)
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wattless current means that current by which no power is dissipated (Power=0).
The unit of power is watts, the unit of current is amps, and the unit of voltage it volts. Power = Voltage X Current Voltage = Power / Current Current = Power / Voltage In electricity, power is symbolized with a P, current with an I, and voltage with a V. The real formula looks like: P = V x I V = P / I I = P / V