Page 592 - MODUL SPEKTRUM FIZIK SPM

7 (a) (i) IC is directly proportional with IB 1
IC berkadar terus dengan IB
(ii) IC = 500 mA 1

Extrapolation line / Garisan ekstrapolasi 1
Interpolation line / Garisan intrapolasi 1

(iii) Show triangle minimum 4 x 3 1
Tunjukkan segitiga minimum 4 x 3
Correct substitution: Penggantian yang betul: 1

´
500 10 3 -
´
10.0 10 3 -
Correct answer: Jawapan betul: 1

5
(b) (i) Correct calculation: Pengiraan yang betul:
-3
= (5 + 1) (25 x10 ) 1
Correct answer: Jawapan betul:
-1
1.50 x 10 A 1
(ii) Correct calculation: Pengiraan yang betul: 1
-1
-3
= 5(25.0 x 10 / 1.50 x 10 )
Correct answer: Jawapan betul: 1
0.83A
(c) The eyes should perpendicular to the scale reading of miliammeter. 1

Mata mesti berserenjang dengan skala miliammeter.
12

8. (a) (i) R is directly proportional to L 1
R berkadar langsung dengan L
(ii) Extrapolate the graph / Ekstrapolasi graf 1

Show on the graph when / Tunjukkan pada graf apabila R= 2.75 Ω, 1
1
L = 75 cm
(iii) Show triangle minimum 4 x 3 / Tunjukkan segitiga minimum 4 x 3 1

Correct substitution: Penggantian yang betul:
2.5 – 0.0 Ω 1
70.0 – 0.0 cm

Correct answer: Jawapan betul:
-1
0.0357 Ω cm 1
-1
(b) (i) Use R/L = 0.0357 Ω cm 1

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