Fleming's Left-Hand Rule (AQA GCSE Physics Combined Science): Flashcards

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Fleming's Left-Hand Rule
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Which hand for Fleming's left-hand rule

Left hand

Fleming's left-hand rule purpose

Find force direction in magnetic field

Index finger in Fleming's left-hand rule

Magnetic field direction (N to S pole)

Middle finger in Fleming's left-hand rule

Current direction

Thumb in Fleming's left-hand rule

Force direction

Angle between fingers/thumb in Fleming's rule

90°90° to each other

Type of current in Fleming's rule

Conventional current (opposite to electron flow)

Formula for force on current-carrying wire

F=BILF = BIL

FF in formula F=BILF = BIL

Force in newtons (N)

BB in formula F=BILF = BIL

Magnetic flux density in tesla (T)

II in formula F=BILF = BIL

Current in amperes (A)

LL in formula F=BILF = BIL

Length in metres (m)

Unit for magnetic flux density

Tesla (T)

Definition of magnetic flux density

Number of flux lines per metre squared

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