The power created by this circuit element is equal to the voltage squared over its value or equivalently the current squared times its value. A Wheatstone bridge connects four of these devices, three of known value and one that is unknown. When these devices are found in parallel with one another, an equivalent value can be found by adding the reciprocals. In series, these circuit elements can be 
The power created by this circuit element is equal to the voltage squared over its value or equivalently the current squared times its value. A Wheatstone bridge connects four of these devices, three of known value and one that is unknown. When these devices are found in parallel with one another, an equivalent value can be found by adding the reciprocals. In series, these circuit elements can be added directly. For 10 points, name this circuit element that acts against the flow of electrical current, whose namesake property is measured in ohms.
The power created by this circuit element is equal to the voltage squared over its value or equivalently the current squared times its value.
resistors