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Created page with "==Key Stage 4== ===Meaning=== The '''motor effect''' is the force on a current carrying wire in a magnetic field. ===About T..."
==Key Stage 4==
===Meaning===
The '''motor effect''' is the [[force]] on a [[Electrical Current|current]] carrying [[wire]] in a [[Magnetic Field|magnetic field]].
===About The Motor Effect===
: When an a [[wire]] has an [[Electrical Current|electrical current]] it has a [[Magnetic Field|magnetic field]]. If this [[wire]] is in the presence of an external [[Magnetic Field|magnetic field]] the two [[Magnetic Field|fields]] will interact causing a [[force]].
: The [[magnitude]] of the [[force]] depends upon:
:*The [[Electrical Current|Current]] - The greater the [[Electrical Current|current]] the greater the [[force]].
:*The [[Magnetic Field]] - The greater the strength of [[Magnetic Field|magnetic field]] the greater the [[force]].
: The [[force]] on a [[Electrical Current|current]] carrying [[wire]] is at [[Right Angle|right angles]] to both the [[Electrical Current|current]] and the [[Magnetic Field|magnetic field]].
: [[Fleming's Left Hand Rule]] can be used to find the direction of the [[force]].
{| class="wikitable"
|-
|[[File:FlemingsLeftHandRule.png|center|500px]]
|-
| style="height:20px; width:200px; text-align:center;" |
<math>\underline{B}</math>: First finger [[Magnetic Field|field]].
<math>\underline{I}</math>: Second finger [[Electrical Current|current]].
<math>\underline{F}</math>: The [[force]].
|}
===Equation===
Force = (Magnetic Flux Density) x (Current) x (Length)
<math>F = BIl</math>
Where:
<math>B</math> = The [[Magnetic Flux Density]] (strength of [[Magnetic Field|magnetic field]]).
<math>I</math> = The [[Electrical Current]] through the [[wire]].
<math>l</math> = The length of [[wire]] inside the [[Magnetic Field|magnetic field]].
<math>F</math> = The [[force]] on the [[wire]].
===Example Calculations===
===Meaning===
The '''motor effect''' is the [[force]] on a [[Electrical Current|current]] carrying [[wire]] in a [[Magnetic Field|magnetic field]].
===About The Motor Effect===
: When an a [[wire]] has an [[Electrical Current|electrical current]] it has a [[Magnetic Field|magnetic field]]. If this [[wire]] is in the presence of an external [[Magnetic Field|magnetic field]] the two [[Magnetic Field|fields]] will interact causing a [[force]].
: The [[magnitude]] of the [[force]] depends upon:
:*The [[Electrical Current|Current]] - The greater the [[Electrical Current|current]] the greater the [[force]].
:*The [[Magnetic Field]] - The greater the strength of [[Magnetic Field|magnetic field]] the greater the [[force]].
: The [[force]] on a [[Electrical Current|current]] carrying [[wire]] is at [[Right Angle|right angles]] to both the [[Electrical Current|current]] and the [[Magnetic Field|magnetic field]].
: [[Fleming's Left Hand Rule]] can be used to find the direction of the [[force]].
{| class="wikitable"
|-
|[[File:FlemingsLeftHandRule.png|center|500px]]
|-
| style="height:20px; width:200px; text-align:center;" |
<math>\underline{B}</math>: First finger [[Magnetic Field|field]].
<math>\underline{I}</math>: Second finger [[Electrical Current|current]].
<math>\underline{F}</math>: The [[force]].
|}
===Equation===
Force = (Magnetic Flux Density) x (Current) x (Length)
<math>F = BIl</math>
Where:
<math>B</math> = The [[Magnetic Flux Density]] (strength of [[Magnetic Field|magnetic field]]).
<math>I</math> = The [[Electrical Current]] through the [[wire]].
<math>l</math> = The length of [[wire]] inside the [[Magnetic Field|magnetic field]].
<math>F</math> = The [[force]] on the [[wire]].
===Example Calculations===