Πανελλαδικές Εξετάσεις 2023 - Φυσική ΓΕΛ - Εκφωνήσεις

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1 1 9 & 12 2023 : : (9) 1- 4 , . A1. –, ) b. ) ) . ) 5 A2. ) ) . ) ) . 5 A3. I , : ) B1 ) 2 B ) 3 B ) 4 B 5
2 2 9 A4. , 1 2 2 > 1 ; ) ) ) ) 5 5. , , , , , , . ) ) , b , . ) , , , , r 1 r 2 , . ) Ampere ) , , I 5
3 3 9 1. , , x , t = 0, y = A t, . , t 1 = 2 s, x, t 2 = 2,5 s : i. 5 ii. 4 iii. 10 ) 2 ) . 6 2. , , , f 1. f 2 = 3 f 1 , . V 0 i. hf1 e ii. 2hf1 e iii. 3hf1 e ) 2 ) . 6
(Bainbridge) , , , , E B1 , .
3.
4 4 9 ) i. B1 E ii. 1 E B iii. 1 E 2B ( 1) ( 2). 3 B2 , d. ) i. 12 dBBq m 2E ii. 12 2dBBq m E iii. 12 dBBq m E ( 1) ( 5). 6 xx , yy , L = 0,5 H. = 1 m, m = 0,5 kg R = 1 , . F B = 1 , , i = 2t (SI) t , .
5 5 9 1. i - t ( 2) i t ( 2). t = 0 s t = 2 s ( 3). 7 2. ( 2) ( 2). 4 3. - t. 6 4. t 1 = 2 s : ) F ( 4). ) F ( 2). ) ( 2). 8 : g = 10 m/s 2 . . . (1), , , = 0,8 m R = 2
6 6 9 ( ) = 30 V, . B (2) 1 m 1 = 3 kg = 37 . 2 m 2 = 1 kg, k = 100 N/m . . 1. (1) 4 2. B 4 2 9 dm 100 . (2), 2 . 2 D = k, 1 . 3. . 7 4. D = k, t 0 = 0 , 5 5. F - x . 5 : , g = 10 m/s 2 .
7 7 9 ( / ) 1. . 2.3. . . 4. . . 5. . 6. : (3) . 7. : 10.00 . . K

12 10tera (T) 109 giga (G) 106 mega (M) 103 kilo (k)

2 10 centi (c)

3 10 milli (m)

6 10 micro (μ)

9 10 nano (n)

12 10 pico (p)

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