Understanding Basic Electricity Concepts

What is the unit of electrical resistance?

• Volt

• Ampere

• Ohm

• Watt

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DOK Level 1: Recall

According to Ohm's Law, what is the formula to calculate voltage?

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DOK Level 1: Recall

If a circuit has a current of 2 Amps and a resistance of 5 Ohms, what is the voltage across the circuit?

• 10 Volts

• 7 Volts

• 5 Volts

• 2 Volts

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DOK Level 2: Skill/Concept

Which of the following components is used to store electrical energy in a circuit?

• Resistor

• Capacitor

• Inductor

• Diode

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DOK Level 1: Recall

In a series circuit, if one component fails, what happens to the entire circuit?

• The entire circuit stops working

• The circuit continues to work

• Only the failed component stops working

• The voltage increases

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DOK Level 1: Recall

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DOK Level 2: Skill/Concept

What is the main difference between series and parallel circuits?

• Series circuits have one path for current, parallel circuits have multiple paths

• Series circuits have multiple paths for current, parallel circuits have one path

• Series circuits have no resistance, parallel circuits have resistance

• Series circuits have higher voltage, parallel circuits have lower voltage

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DOK Level 2: Skill/Concept

Which component is used to control the flow of current in a circuit?

• Resistor

• Capacitor

• Switch

• Battery

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DOK Level 1: Recall

A circuit has a voltage of 12V and a resistance of 4 Ohms. What is the current flowing through the circuit?

• 3 Amps

• 4 Amps

• 6 Amps

• 12 Amps

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DOK Level 2: Skill/Concept

What happens to the total resistance if more resistors are added in series to a circuit?

• It increases

• It decreases

• It remains the same

• It becomes zero

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DOK Level 2: Skill/Concept