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Modeling emf, Potential Difference, and Internal Resistance Assessment Browse to http://phet.colorado.edu/simulations/cck/cck.jnlp. Create a complete circuit using the provided elements such that the circuit satisfies these two conditions: 1. The battery’s emf () is 9.5V. 2. V of the battery is 9.0V when the switch is closed due to internal resistance. •Make sure there’s a resistor in your circuit—or “bad” things will happen! •Get creative! There is a whole host of circuit elements available for you to put in your circuit . . . Questions/What to turn in: 0. Print out your circuit on a sheet of paper. 1. Using the information accessible in the applet, test to see if your circuit follows the relationship V = - Ir . 2. How would your battery’s emf be affected if you doubled the resistance of one of the elements in your circuit? 3. Why is question 2 above a trick question?