1 .		Element 1        Element 2        Element 3 There are three unknown circuit elements connected to a voltage source as shown.  The voltage is controlled by the slider and given in Volts. You can measure the voltage and current by placing the mouse cursor over either meter or by looking at the graph. Determine which elements obey Ohm's law.   [Hint]   Element 1.   Element 2.   Element 3.   All of the elements.
2 .		An unknown resistor is connected to a voltage source as shown.  The voltage is controlled by the slider. You can measure the voltage and current by placing the mouse cursor over either meter.   Find the unknown resistance.   Start More Help. [Hint]   0.02 W.   0.05 W.   20 W.   50 W.
3 .		You are given four unknown parts and are asked to place them one by one into a test circuit.   The source voltage in the circuit is controlled by the slider. You can measure the voltage and current by placing the mouse cursor over either meter.  Which part obeys Ohm's law? Unknown Part A Unknown Part B Unknown Part C Unknown Part D [Hint]   Unknown Part A.   Unknown Part B.   Unknown Part C.   Unknown Part D.
4 .		You are given four unknown parts and are asked to place them one by one into the circuit as shown.   The source voltage is controlled by the slider.  You can  place the mouse cursor over any component to obtain readings. Which part obeys Ohm's law? Unknown Part A Unknown Part B Unknown Part C [Hint]   Unknown Part A.   Unknown Part B.   Unknown Part C.   None of the above.
5 .		An unknown device, not necessarily a resistor, is connected to an ideal battery as shown.  You can  place the mouse cursor over any component to obtain readings. Find the power consumed by this device when the battery voltage is 20 V.  Start More Help. [Hint]   150 W.   160 W.   170 W.   180 W.
6 .		Graph A     Graph B     Graph C     Graph D     Graph E There is a resistor in a  circuit connected to a voltage source as shown.  The voltage is controlled by the slider and given in Volts. You can measure the voltage and current by placing the mouse cursor over either meter or by looking at the graphs. Determine which graph(s) correctly represent the variables shown.   [Hint]   Graph A.   Graphs A, D, and E.   Graphs B and C.   All of the Graphs.
7 .		Graph A     Graph B     Graph C     Graph D     Graph E There is a resistor in a  circuit connected to a voltage source as shown.  The voltage is controlled by the slider and given in Volts. You can measure the voltage and current by placing the mouse cursor over either meter or by looking at the graphs. Determine which graph(s) correctly represent the variables shown.   [Hint]   Graph D.   Graphs B, D, and E.   Graphs A and C.   All of the Graphs.