8. Practice: Determine the total resistance of each of the following parallel circuits. Then use the Gizmo to check your answer. (You can calculate the total resistance from the current
and voltage using Ohm's law, or use the Ohmmeter to measure the resistance directly.)
A. A parallel circuit with a 20-ohm resistor and a 10-ohm resistor.
B. A parallel circuit with two 20-ohm resistors and a 10-ohm resistor.
C. A parallel circuit with a 15-ohm light bulb and a 20-ohm resistor.
D. A parallel circuit with two 100-ohm resistors and a 20-ohm resistor
E. A parallel circuit with a 10-ohm, 20-ohm, 100-ohm and 200-ohm resistor.
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