Page 531 - index

93-ɫɭɪɟɬ

ɋɨɥ ɫɟɛɟɩɬɿ, ɦԝɧɞɚɣ ɚɪԕɚɥɵԕɬɚɪɞɵԙ ɫɚɥɦɚԑɵ ɠɟԙɿɥ ɠԥɧɟ ɨɥɚɪɞɵ ɠɚɫɚɭԑɚ
ɦɚɬɟɪɢɚɥ ɚɡ ɤɟɬɟɞɿ. ȿɤɿɧɲɿ ɦɵɫɚɥ ɪɟɬɿɧɞɟ, ɛɿɪɧɟɲɟ ԕɚɛɚɬ ɛɨɥɵɩ, n ɠԝԕɚ
ɬɚԕɬɚɣɥɚɪɞɚɧ ɠɚɫɚɥԑɚɧ ɤɨɧɫɨɥɶɞɵ ɚɪԕɚɥɵԕɬɵ ԕɚɪɚɫɬɵɪɚɣɵԕ (94 ɚ-ɫɭɪɟɬ).

M P ˜ " 6P"
Wx h bh 2
V max b (h)2 n
6n

94-ɫɭɪɟɬ

ȿɝɟɪ ɬɚԕɬɚɣɥɚɪɞɵԙ ɚɪɚɥɚɪɵɧɞɚ ԛɣɤɟɥɿɫ ɤԛɲɿ ɠɨԕ ɛɨɥɫɚ, ɨɧɞɚ ԥɪ ɬɚԕɬɚɣ
ɠɟɤɟ-ɠɟɤɟ ɢɿɥɟɞɿ (94 Ω-ɫɭɪɟɬ). Ԥɪ ɬɚԕɬɚɣԑɚ ԥɫɟɪ ɟɬɟɬiɧ ɤԛɲɬiԙ ɲɚɦɚɫɵ Ɋ/ԣ;
ɚɥ ɟԙ ԛɥɤɟɧ ɬiɤ ɤɟɪɧɟɭ:

M P ˜ " 6Pl .
Wx h bh 2
V max ˜ n
b h 2
6 §¨ n ·¸
˜ © ¹

ȿɧɞɿ, ɬɚԕɬɚɣɥɚɪ ɛɨɥɚɬ ԕɚɦɵɬɬɚɪɦɟɧ ɬɚɪɬɵɥɵɩ, ԧɡɚɪɚ ԕɚɬɚԙ ɛɟɤiɬiɥɿɩ,
ԕɨɣԑɚɧ ɞɟɩ ԕɚɪɚɫɬɵɪɚɣɵԕ (95 ɚ-ɫɭɪɟɬ). Ȼԝɥ ɤɟɡɞɟ, ɛɚɪɥɵԕ ɬɚԕɬɚɣ ɛɿɪ ɞɟɧɟ
ɪɟɬɿɧɞɟ ɠԝɦɵɫ ɿɫɬɟɣɞɿ, ɞɟɦɟɤ ɛɢɿɤɬɿɝɿ ԣ ɚɪԕɚɥɵԕ ɫɟɤɿɥɞɿ ɢɿɥɟɞɿ (95 Ω-ɫɭɪɟɬ).

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