1. . U = 4 (. 2.5). s 24 2, d1 =2 d2 =4 . g1 = 5×10-9 / g2 = 10-8 /, -er1 = 2 er2 = 5, .
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. (2.10)
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, , (2.9) PV1 = 50 /3; PV2 = 25 /3.
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, . (1.16) , G = 3×10-10 . R = 1/G = 3.333×109 .
2. (. 2.6) U = 2 . . r1 = 1 , r2 = 2 , h = 1 .
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3. , r2 = 2 , g3 = 4×10-2 /. h = 5 (. 2.7).
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. . g = g3. , . 2.8.
, 2h r2, (1.21). e g, ( , , )
.
R = 1/G = 4.946 .
