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143 lines
1.8 KiB
Plaintext
143 lines
1.8 KiB
Plaintext
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Вопрос: почему возникает черный налёт на аноде?
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почему при нулевом напряжении на зонде есть ток? наоборот?
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#############################################################
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V_заж = 250 В
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ВАХ:
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sI = 1 уе
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sU = 0.003U +- 0.04 В
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I[мА]=I[уе] * 6/155
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U измеряется через делитель с k=10
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U[В],I[у.е.]
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35.91,7
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35.12,12
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34.76,15
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34.11,20
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33.64,25
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32.72,31
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32.01,36
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31.6,41
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31.27,47
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31.15,50
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30.85,55
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30.68,61
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30.55,67
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30.44,72
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30.22,78
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30.19,83
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30.27,89
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30.33,94
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30.33,99
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30.33,104
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30.32,109
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30.33,113
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30.33,118
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30.33,123
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30.31,126
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30.27,131
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30.23,135
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30.21,138
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30.17,142
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30.12,147
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#############################################################
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Зонд:
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d=0.2мм
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l=5.2мм
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ВАХ зонда:
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I_р = 131 /155*6 мА
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в процессе измерений поднялось до 133
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U[В],I[мА]
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25.017,132.25
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24.037,137.97
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23.093,136.51
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22.072,135.92
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21.094,135.48
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20.007,135.11
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19.086,134.54
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18.001,133.22
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17.154,132.26
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16.044,130.29
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15.075,128.35
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14.022,125.40
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13.028,122.43
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12.038,118.01
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10.964,112.69
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10.059,107.55
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9.060,100.93
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8.100,93.71
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7.035,84.51
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6.038,74.81
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5.098,64.78
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4.0829,52.63
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3.025,39.38
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2.0345,25.64
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1.2349,14.55
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0.9950,11.25
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0.6039,5.61
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0.4052,2.75
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0.2538,0.78
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0.1213,-0.91
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0.0495,-1.8
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0.0054,-2.52
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измерение при отрицательных напряжениях (переключатель П2 в положении '-')
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0.0041,-15.25
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0.3494,-11.05
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0.6225,-7.24
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0.91,-3.22
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1.1873,1.18
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1.23,1.57
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1.315,3.05
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1.4355,4.61
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1.705,8.42
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2.0535,13.06
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2.543,19.93
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3.02,26.49
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3.64,34.6
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4.225,41.84
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5,50.8
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5.95,61.52
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6.95,71.4
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8.032,80.86
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8.99,88.16
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10.022,95.09
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11.049,101.04
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12.25,106.75
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13.293,110.7
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14.34,114
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15.5,117
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16.925,120.1
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18.065,120.9
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19.183,122.1
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20.247,123
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21.317,123.04
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22.99,125.29
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23.81,124.3
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25.017,119.51
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