### All SAT II Physics Resources

## Example Questions

### Example Question #2 : Electricity

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 #1 : Electricity And Magnetism

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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