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Use our current calculator to calculate amps given the voltage, power, or resistance. Plus, learn the formulas to calculate current.
- Ohm's Law
- Electrical Power
- Ohm's Law Formula Wheel
Ohm's Law states that the current through a conductor between two points is directly proportional to the voltage. This is true for many materials, over a wide range of voltages and currents, and the resistance and conductance of electronic components made from these materials remain constant. Ohm's Law is true for circuits that contain only resisti...
Power is the rate at which electrical energy is transferred by an electric circuit per unit time typically expressed in the SI (International System of Units) unit of Watts. Power is typically produced by electric generators and supplied to businesses and homes through the electric power industry, but can also be supplied by electric batteries or o...
Below is a formula wheel for Ohm's Law relationships between P, I, V, and R. This is essentially what the calculator does, and is just a representation of the algebraic manipulation of the equations above. To use the wheel, choose the variable to solve for in the middle of the wheel, then use the relationship for the two known variables within the ...
To use this ampere calculator, simply fill in the known values for voltage, power, resistance, or current and click the “Calculate” button. The calculator will attempt to compute other electrical parameters based on the values you have entered.
Simple to use Ohm's Law Calculator. Calculate Power, Current, Voltage or Resistance. Just enter 2 known values and the calculator will solve for the others.
Jul 31, 2024 · The wire size calculator will help you select the correct gauge of electrical wire for your next electrical project, such as installing a pump in your garden pond, wiring up your tiny house, or getting power to your shed.
Use this Ohm's Law calculator to easily calculate the power, resistance, voltage, or electrical current, based on two known parameters. Enter any two parameters to calculate the other two. Supports amps, milliamps, watts, kilowatts, megawatts, volts, millivolts and kilovolts, ohms, kiloohms, and megaohms. Formulas, equations, and Ohm's law ...
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Jul 30, 2024 · Our Ohm's law calculator is a neat little tool to help you find the relationships between voltage, current and resistance across a given conductor. The Ohm's law formula and voltage formula are mainly used in electrical engineering and electronics.
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