1-1
1. 2. 3. 1. 2. (1) 1-1 RLC 1-2 1-3 2
(2) PVC EMT (3) (4) 1-1 1-2 1-3 3. (1) (2) (3) 3
(4) (5) (6) 1-4 (7) (8) (9) (10) (11) 1-4 1-5 4
4. (1) 1-5 (2) (3) (4) (5) (6) 5. (1) 1-6 (2) (3) (4) (NFB) (5) (6) (7) (8) (9) 5
1-6 6. (1) (2) (3) (4) (5) (6) (7) (8) 7. (1) (2) (3) (4) 6
8. 9. (1) (2) (3) 15 20 10 15 10. 11. (1) (2) 40% 30% 10% (3) (4) 12. CPR CABD (1) ABC CABD (2) (3) CABD 119 C compressions 7
A airway B breaths 2 1 D AED (4) 30 2 1-7 (5) (AED) 1-8 1-7 1-8 AED 13. 8 119 (1) A B
C D (2) 1-9 1-9 1-10 ABC (3) 1-10 a. BC b. KBC c. ABC d. XBC 9
(4) (5) A B C (6) (7) CO 2 A B C D 10
(8) 11
1 1 (1) (2) (3) 2 3 4 2 1 2 3 4 12
1. (A) (B) (C) (D) 2. (A)C (B)B (C)A (D)D 3. (A) A (B) B (C) C (D) D 4. (A) A (B) B (C) C (D) D 5. (A) A (B) B (C) C (D) D 6. (A) (B) (C) (D) 7. (A) (B) (C) (D) 8. (A) (B) (C) (D) 9. (A) (B) (C) (D) 10. (A) (B) (C) (D) 13
14
2-1 2-2 V-I 2-3 2-4 2-5 2-6
1. 2. PN 1. 2-1-1 2-1-1 P N P-N (P-N junction) N positive ion N P negative ion P 2-1-2 16 P-N N P P P N N P N
P-N N P P-N P N (depletion region) 2-1-2 (barrier potential) 25 C (Si) 0.6~0.7V (Ge) 0.2~0.3V 2-1-2 PN 2. (1) (forward bias) (a) P-N P A N K (b) P N (c) 2-1-3 17
2-1-3 (2) (reverse bias) (a) P-N P A N K (b) P-N (reverse saturation current) (c) 2-1-4 2-1-4 peak inverse voltage PIV 18
1. N 2. 1N 1N4001~1N4007 1N4148 1N60 1. PN (Ω) R 1k 2-1-5 (1) N 2-1-5 P (2) (back resistance) P N (3) 2. (1) (2) 19
3. (Ω) R 1k 0 N P 2-1-6 LV (load voltage) 0.2V LV 0.6V 2-1-6 LV LI 1. light emitting diode LED 2-1-7 2. (GaP)(GaAs) (GaAsP) (V d ) 1.8~2.3V PN 0.7V 5~10V 20 2-1-7