Summary Edexcel GCSE Physics Topic 12 - Magnetism and the Motor Effect
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Grade 9 1 GCSE Phys Edexcel Rev Gde Onli
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Edexcel GCSE Physics Topic 3 + 8 - Conservation of Energy + Forces doing Work
Edexcel GCSE Physics Topic 4 + 5 - Waves + Light and the Electromagnetic spectrum
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THE MAGNETIC FIELD AROUND ¥"
Wire
or ~
-
A CURRENT CARRYING
~
-
-
n
.
• WHEN
•
A CURRENT flows IN A WIRE, It Creates A Circular Magnetic had Arovno THE Wire .
•
THIS MAGNETIC HELD CAN Dllllct THE N{ [Did 0 A MAGNETIC COMPASS .
• THE STRENGTH 01 THE MAGNETIC hill Is GREATER Gone To THE Wire Ann Increases It THE CURRENT INCREASES.
B- CURRENT→a.
qn
•
µ
•
"%!%
],
•
.
g- man , , ,
FIELD
ya E;⑤
EEE
SOl{N0iDS_
• A SOLENOID Consists ① A WIRE Give Up Into A SPIRAL SHAPE .
•
WHEN AN ELLCTRK CURRLNT flows THE , SOLENOID Acts As AN EILCTROMAGNET .
•
THE SHAPE 01 THE MAGNIN held Is VERY SIMILAR To Ftc has 01 A BAR MAGNET .
•
THL held INSIDE A SOLENOID Is STRONG AND Uniform .
• THE SMALL MAGNETIC FIELDS CAUSED BY THE CURRENT IN EACH foil ADD TOGETHER
To MAKL A STRONGER Overall MAGNETIC has
•←•←•• ~
.
HIRE WITH CURRENT
"
COMING TOWARDS You
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¥EKH "¥%%→→
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;z÷mn " ""
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