7.2.1 Fleming's Left-Hand Rule

• In Fleming's Left-Hand Rule, the thumb points in the direction of the force on the wire.


  True
• What direction does the second finger point in Fleming's Left-Hand Rule?

  Current
• The magnetic field in Fleming's Left-Hand Rule flows from the North to the South pole
• Steps to apply Fleming's Left-Hand Rule to determine the force direction:

  1️⃣ Orient your hand so your first finger points from North to South

  2️⃣ Align your second finger in the direction of current flow

  3️⃣ Determine the force direction using your thumb
• The thumb in Fleming's Left-Hand Rule points in the direction of the force
• In Fleming's Left-Hand Rule, the first finger points in the direction of the magnetic field
• What does Fleming's Left-Hand Rule help visualize?

  Direction of force
• The first finger in Fleming's Left-Hand Rule indicates the direction of the magnetic field
• The acronym FBI in Fleming's Left-Hand Rule stands for Force, Magnetic Field, and Current.


  True
• What direction does the current flow in Fleming's Left-Hand Rule?

  Positive to negative
• The motor effect describes the force experienced by a current-carrying wire in a magnetic field.

  True
• Match the finger with the quantity it represents in Fleming's Left-Hand Rule:

  Thumb ↔️ Force

  First Finger ↔️ Magnetic Field

  Second Finger ↔️ Current
• The magnetic field in Fleming's Left-Hand Rule flows from North to South.


  True
• The motor effect refers to the force experienced by a current-carrying wire when placed in a magnetic field
• What does the first finger in Fleming's Left-Hand Rule indicate?

  Magnetic field direction
• Arrange the following terms in the order they appear in the acronym FBI used for Fleming's Left-Hand Rule

  1️⃣ Force

  2️⃣ Magnetic field

  3️⃣ Current
• In Fleming's Left-Hand Rule, what direction does the thumb point towards?

  Direction of force
• The second finger in Fleming's Left-Hand Rule points in the direction of the current flow from positive to negative.

  True
• In Fleming's Left-Hand Rule, the second finger indicates the direction of the current
• What does the thumb in Fleming's Left-Hand Rule represent?

  Direction of force
• The second finger in Fleming's Left-Hand Rule points in the direction of the current from positive to negative.


  True
• What does the first finger in Fleming's Left-Hand Rule represent?

  Magnetic field direction
• To use Fleming's Left-Hand Rule, the first finger must point from the North to the South pole of the magnetic field.

  True
• What are two devices that use Fleming's Left-Hand Rule in their operation?

  Motors and speakers
• What does the second finger in Fleming's Left-Hand Rule represent?

  Current
• In Fleming's Left-Hand Rule, the thumb points in the direction of the force on the wire.


  True
• In Fleming's Left-Hand Rule, the second finger points in the direction of the current
• The motor effect occurs when a current-carrying wire is placed in an electric field.

  False
• In Fleming's Left-Hand Rule, the first finger indicates the direction of the magnetic field
• Which finger in Fleming's Left-Hand Rule represents the direction of the magnetic field?

  First finger
• Fleming's Left-Hand Rule is used to visualize the direction of force on a current-carrying wire in a magnetic field.

  True
• In Fleming's Left-Hand Rule, the first finger indicates the direction of the magnetic field
• Match the finger in Fleming's Left-Hand Rule with its corresponding quantity:

  Thumb ↔️ Force

  First Finger ↔️ Magnetic Field

  Second Finger ↔️ Current
• In Fleming's Left-Hand Rule, the first finger points in the direction of the magnetic field
• Arrange the steps to apply Fleming's Left-Hand Rule in the correct order:

  1️⃣ Orient your hand so the first finger points from North to South

  2️⃣ Align your second finger in the direction of the current

  3️⃣ Determine the force direction with your thumb
• Match the device with how Fleming's Left-Hand Rule is used in it:

  Motors ↔️ Determining the force direction to rotate coils

  Speakers ↔️ Calculating the force direction to move diaphragms