kenapa guna resistance wire dalam electrical cooker?
➡️sebab resistance wire resists electric current to produce heat
➡️ resistance wire perlu
•coiled
•high resistivity
•nichrome material
so the heating element will lasts longer and only need a short period of time to heat up the food

this is strictly NOT an exact way to answer the question ‼️

Siapa ambik subjek sains sukan? Subjek yang entahla..sepertinya dilupakan😂

Mesti subjek ni jadi subjek back up A dalam sijil kan?
Kita pun begitu🙈

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Chapter 1 (F5): Daya & Gerakan II (Force & Motion II)


Daya geseran: 150 N

Daya selari dgn satah:
= mg sin30
= 1000 (0.5)
= 500 N

Daya tarik: 850 N

Daya paduan:
= daya tarik - (daya geseran + daya selari dgn satah)
= 850 - (150 + 500)
= 200 N

Jawapan: A

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Chapter 2 (F5): Tekanan (Pressure)


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ingat.. principal/law huruf besar ya

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Chapter 5 (F5): Elektrik (Electric)

E = V + Ir
E = I(R + r)
E = 0.2(4.5 + 0.5)
E = 1 V

Tiada jawapan sebab label arus dalam rajah salah

Soalan sebenar I = 1.2 A
E = V + Ir
E = I(R + r)
E = 1.2(4.5 + 0.5)
E = 6 V

📖SPM 2023

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