Ohm's Law Quiz

What is the resistance in a circuit if the voltage is 12 volts and the current is 3 amperes?

• 2 ohms

• 4 ohms

• 5 ohms

• 6 ohms

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DOK Level 2: Skill/Concept

Calculate the voltage across a resistor if the current flowing through it is 2 amperes and the resistance is 10 ohms.

• 5 volts

• 10 volts

• 20 volts

• 15 volts

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DOK Level 2: Skill/Concept

If a circuit has a resistance of 8 ohms and the voltage across it is 48 volts, what is the current flowing through the circuit?

• 4 amperes

• 6 amperes

• 8 amperes

• 10 amperes

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DOK Level 2: Skill/Concept

What is the power dissipated in a circuit with a voltage of 9 volts and a current of 2 amperes?

• 11 watts

• 18 watts

• 20 watts

• 22 watts

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DOK Level 2: Skill/Concept

A resistor in a circuit has a resistance of 5 ohms. If the current flowing through it is 2 amperes, what is the voltage across the resistor?

• 5 volts

• 7 volts

• 10 volts

• 15 volts

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DOK Level 2: Skill/Concept

What is the resistance of a component if a current of 0.5 amperes results in a power dissipation of 10 watts?

• 10 ohms

• 20 ohms

• 40 ohms

• 80 ohms

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DOK Level 2: Skill/Concept

If a light bulb has a power rating of 60 watts and operates at 120 volts, what is the current flowing through the bulb?

• 0.2 amperes

• 0.5 amperes

• 2 amperes

• 5 amperes

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DOK Level 1: Recall

Recall Ohm's Law. Which equation correctly solves for voltage?

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DOK Level 1: Recall

What is the formula for calculating power in an electrical circuit?

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DOK Level 1: Recall

Identify the correct unit for electrical resistance.

• Volt

• Ampere

• Ohm

• Watt

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DOK Level 1: Recall