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MODUL • Fizik TINGKATAN 5

dengan arah aliran arus, arah putarannya menentukan
Peraturan skru Maxwell / Maxwell’s screw rule
direction of rotation gives the direction of the magnetic
forwards in the same direction as a electric current, its
Arah medan magnet yang mengelilingi wayar boleh ditentukan dengan
The direction of the magnetic field around a wire can be determined using
Jika skru diputarkan, arah gerakannya sama arah
If a right-handed screws is turned so that it moves
Arah medan magnet Magnetic field direction Arah arus Direction of current Peraturan genggaman tangan kanan Arah medan magnet Magnetic field direction Jika wayar yang membawa arus digenggam oleh tangan kanan maka ibu jari menghala sepanjang dawai menunjukkan arah arus dan jari yang lain menunjuk ke arah medan magnet di sekeliling dawai. If a wire carrying a current is gripped with the right hand, the thumb points along the wire in the direction of the current and the other

arah medan magnet. field due to the current. The right-hand grip rule Arah arus Direction of current the magnetic field around the wire.

Note / Nota: dua kaedah: two rules: Gegelung Coil

Gegelung Coil - + Hukum genggaman tangan kanan – untuk menentukan arah medan magnet Right-hand grip rule – to determine the direction of magnetic field at both sides UNIT 3

UNIT 3
Arah arus Direction of current di kedua-dua gegelung of the coil

Medan magnet Magnetic field Arus / Current masuk / in Solenoid Solenoid Kadbod ditaburkan dengan serbuk besi Cardboard sprinkled with iron filings N Bekalan voltan rendah Low-voltage S supply Hukum genggaman tangan kanan – untuk menentukan kutub Right-hand grip rule – to determine the poles of a solenoid Ibu jari menunjukkan kutub utara The thumb points to N pole Putaran jari mengikut arah arus Fingers curl in the direction of the current

Produced by / Dihasilkan oleh Kompas memplot Solenoid Solenoid solenoid

Wayar lurus Straight wire Kadbod tebal ditaburkan dengan serbuk besi Thick cardboard sprinkled with iron filings Plotting compass Garis medan Arus magnet Current Magnetic field lines Hukum genggaman tangan kanan – untuk menentukan arah medan magnet yang dihasilkan oleh arus dalam wayar Right-hand grip rule – to determine the direction of the magnetic field produced by a current in a straight wire Garis medan magnet Arah arus Direction of current (conventional) Direction

Low voltage

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03-Physic F5 2018.indd 82 26/08/2019 11:23 AM