GRE Subject Test: Physics : Circuits

Study concepts, example questions & explanations for GRE Subject Test: Physics

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All GRE Subject Test: Physics Resources

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Example Questions

Example Question #1 : Circuits

What is the total resistance of a circuit containing four resistors () hooked up in series. 

Possible Answers:

Correct answer:

Explanation:

For a circuit in series, the total resistance is simply given by the sum of each individual resistor:

 

Example Question #1 : Circuits

What is the total resistance of a circuit consisting of three resistors in a parallel configuration? The resistors have the following resistance: 

Possible Answers:

Cannot be determined.

Correct answer:

Explanation:

The total resistance of a circuit in parallel is given by the following equation:

Now, we just plug in the values, and solve for the total resistance by inverting!

All GRE Subject Test: Physics Resources

33 Practice Tests Question of the Day Flashcards Learn by Concept
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