An online calculator to calculate the current passing through a resistor using Ohm's law and the power dissipated in a resistor given the voltage across the resistor.
This calculator also calculates the voltage and current through a resistor given the power dissipated by this resistor.
1 - Ohm's law and Power Calculator Given Voltage and ResistanceEnter the resistance in Ohms and the voltage in volts as positive real numbers and press "Calculate Current and Power".
2 - Ohm's law and Power Calculator Given Power and ResistanceEnter the power in Watts and the resistance in Ohms and press "Calculate Voltage and Current".
More References and LinksOhm's law with Examples
Free SAT II Physics Practice Solutions on DC Electric Circuits