Page 333 - MODUL SPEKTRUM FIZIK SPM

(ii) Right hand grip rule / Peraturan genggaman tangan kanan
(iii)

(c) (i) Soft iron core. Easy to magnetise and demagnetise.
Teras besi lembut. Mudah magnet dan nyahmagnet.
(ii) U shaped core. Strength of electromagnet is higher
Teras berbentuk U. Kekuatan elektromagnet lebih tinggi
(d) Circuit is closed when switch is pressed.
Current flow and solenoid becomes electromagnet.
Soft iron armature is attracted to the electromagnet.
Hammer strikes the gong.
Litar tertutup apabila suis ditekan.
Arus mengalir dan solenoid menjadi elektromagnet.
Amatur besi lembut tertarik ke electromagnet.
Pengetuk memukul gong.

3.
Characteristics Explanation
Ciri-ciri Penerangan
Low density Lighter / low mass
Ketumpatan rendah Ringan / jisim kecil

High melting point Not melt easily
Takat lebur tinggi Tidak mudah lebur

Low rate of expansion Less expansion during hot day
Kadar pengembangan rendah Kurang mengembang pada hari yang panas
Low resistivity High current
Kerintangan rendah Arus tinggi
K is the most suitable / K paling sesuai

4.
Characteristics Explanation
Ciri-ciri Penerangan
Copper wire Small resistance // produce less heat //
Dawai kuprum good electrical conductor

Sektor Pembelajaran, Jabatan Pendidikan Negeri Sabah | 2020 332