Motor Effect Quiz

What does Fleming's left-hand rule help to determine in the context of the motor effect?

• The direction of the magnetic field

• The direction of the induced current

• The direction of the force on a current-carrying conductor

• The strength of the magnetic field

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DOK Level 2: Skill/Concept

Which finger represents the direction of the current in Fleming's left-hand rule?

• Thumb

• Index finger

• Middle finger

• Little finger

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DOK Level 2: Skill/Concept

What are the factors that affect the magnitude of the force experienced by a current-carrying wire in a magnetic field? (Select two)

• The length of the wire

• The color of the wire

• The strength of the magnetic field

• The amount of current in the wire

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DOK Level 2: Skill/Concept

In which application is the motor effect NOT used?

• Electric fans

• Hard disk drives

• Solar panels

• Electric trains

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DOK Level 2: Skill/Concept

What happens if the direction of the current or the magnetic field is reversed in a setup demonstrating the motor effect?

• The force on the wire increases

• The force on the wire decreases

• The direction of the force reverses

• There is no change in the force

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DOK Level 2: Skill/Concept

Which of the following is a practical application of the motor effect?

• Generating electricity in power plants

• Cooling systems in computers

• Movement in robotic arms

• Transmitting radio signals

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DOK Level 2: Skill/Concept

What unit is used to measure the strength of a magnetic field affecting the motor effect?

• Ampere (A)

• Newton (N)

• Tesla (T)

• Volt (V)

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DOK Level 2: Skill/Concept

How does increasing the current in the wire affect the force produced by the motor effect?

• The force decreases

• The force increases

• The force remains the same

• The force initially increases, then decreases

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DOK Level 2: Skill/Concept

What role does the thumb play in Fleming's left-hand rule?

• Indicates the direction of the magnetic field

• Indicates the direction of the current

• Indicates the direction of the force

• Indicates the direction of the electric field

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DOK Level 2: Skill/Concept

Which of the following increases the force on a conductor in a magnetic field according to the motor effect?

• Using a weaker magnetic field

• Decreasing the current in the conductor

• Increasing the length of the conductor in the magnetic field

• Using a non-metallic conductor

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DOK Level 2: Skill/Concept