Ohm's Law

What is Ohm's Law?

• The law stating that the current through a conductor between two points is directly proportional to the voltage across the two points.

• The law that defines the resistance between two points on a conductor.

• The principle that voltage is equal to the product of current and resistance.

• A theory describing the behavior of waves in a medium.

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DOK Level 1: Recall

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DOK Level 2: Skill/Concept

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DOK Level 2: Skill/Concept

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DOK Level 2: Skill/Concept

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DOK Level 2: Skill/Concept

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DOK Level 2: Skill/Concept

• Voltage equals current times resistance.

• Current equals voltage divided by resistance.

• Resistance equals voltage divided by current.

• Resistance equals current times voltage.

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DOK Level 1: Recall

If the resistance in a circuit is decreased, what happens to the current, assuming voltage remains constant?

• The current decreases.

• The current increases.

• The current remains the same.

• The current becomes zero.

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DOK Level 2: Skill/Concept

What unit is used to measure electrical resistance?

• Volt

• Ampere

• Ohm

• Watt

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DOK Level 1: Recall

• Add current and resistance.

• Multiply current by resistance.

• Divide current by resistance.

• Subtract resistance from current.

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DOK Level 2: Skill/Concept