All SAT II Physics Resources
Example Questions
Example Question #1 : Electric Circuits
There are three resistors in parallel in a circuit with resistances of , , and .
What is the equivalent resistance?
Possible Answers:
Correct answer:
Explanation:
The equation for resistors in parallel is:
We are given the values of the resistors. Using this formula, we can solve for the equivalent resistance.
Plug in the given values and solve.
Example Question #2 : Resistors
A voltage of applied between the ends of a wire results in a current of . What is the resistance of the wire?
Possible Answers:
Correct answer:
Explanation:
This question can be solved using Ohm's law:
We are given the voltage and the current. Using these values, we can solve for the resistance.
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