SAT II Physics : Resistors

Study concepts, example questions & explanations for SAT II Physics

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Example Questions

Example Question #2 : Electricity And Magnetism

There are three resistors in parallel in a circuit with resistances of , and .

What is the equivalent resistance?

Possible Answers:

Correct answer:


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 #21 : Sat Subject Test In Physics

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:


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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