High School Physics : Using Ohm's Law

Study concepts, example questions & explanations for High School Physics

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Example Questions

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Example Question #11 : Using Ohm's Law

Ohm's Law describes the relationship between which variables?

Possible Answers:

Electric field, current, power

Voltage, electric field, power

Voltage, current, resistance

Resistance, power, electromotive force

Power, resistivity, electromotive force

Correct answer:

Voltage, current, resistance

Explanation:

Ohm's law can be written as:

It demonstrates that voltage is equal to the product of current and resistance within an electric circuit.

Example Question #12 : Electricity And Magnetism

The current in a circuit is  and the voltage is . What is the resistance?

Possible Answers:

Correct answer:

Explanation:

Ohm's law says . Plug in our given values to solve.

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