Resistance in a Wire Resistance in a Wire http://phet.colorado.edu/en/simulation/resistance-in-a-wire Simulació càlcul R https://phet.colorado.edu/en/simulation/resistance-in-a-wire Resistance in a Wire http://phet.colorado.edu/en/simulation/resistance-in-a-wire https://phet.colorado.edu/en/simulation/resistance-in-a-wire Resistance in a Wire offers resistance Resistance in a Wire Resistance in a wire interactive simulation from PhET University of Colorado: Resistance in a Wire http://phet.colorado.edu/en/simulation/resistance-in-a-wire