Page 247 - Physics_Form_2

Answers to numerical questions
Answers to numerical questions

Chapter One Exercise 2.2

1. 6.4 
FOR ONLINE READING ONLY
Exercise 1.2 2. 5.5 10 Ωm  7

1. 1.5 10 C  9 3. (a) 5.5  (b) 2.18 A
4. (c) 8.73 V
3. 12 V
5. (a) 2.0  , (b) 1.5 V
4. 60 F 6. 3.64 V

7. 40 
Exercise 1.3
Exercise 2.3

1. 2.5 10 C  2
1. 6.0 
2. 2.5 mC 2. (a) 3.33 A, 4.17 A

3. 2.73μF (b) 3.6, 2.88
3. (a) 757.58 A
4. (a) 1 μF (b) 11 μF
(b) 8.64 10 J 12 , 2.4 10 kWh 6
4. (a) 1 200 W,
Revision Exercise 1 (b) 2.16 × 10 J, 6 kWh
7

13. (a) 2.7 10  10 C or 0.27nC 5. 1.05 kWh
6. (a) 0.25 A (b) 960 
(b) 4.32 nC
7. (b) 3

15. (a) 0.9 μF (b) 2.7 10  6 C (c) (i) 0.099 (ii) 121.2A

(d) 5.94V

Chapter Two Exercise 2.4

2. (a) 1.6 A
Exercise 2.1
Exercise 2.5
3. (b) 28 (c)8
5. 1.67 A
4 (b) 3 (c) 2
6. 0.543 A

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Physics Form 2 Final.indd 241 25/10/2025 10:28