Ответ:
Rэ = 10 Ом
Объяснение:
1 / R245 = 1/R2 +1/R4 +1/R5 = 1/6 +1/12 +1/12 = 4 / 12 = 1/3
R245 = 3 Ом
R2345 = R3 + R245 = 12 + 3 = 15 Ом
R23456 = ( R2345 *R6 ) / ( R2345 +R6 ) =
= ( 15 *10 ) / ( 15 +10 ) = 150 / 25 = 6 Ом
Rэ = R123456 = R1 +R23456 = 4 + 6 = 10 Ом
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Ответ:
Rэ = 10 Ом
Объяснение:
1 / R245 = 1/R2 +1/R4 +1/R5 = 1/6 +1/12 +1/12 = 4 / 12 = 1/3
R245 = 3 Ом
R2345 = R3 + R245 = 12 + 3 = 15 Ом
R23456 = ( R2345 *R6 ) / ( R2345 +R6 ) =
= ( 15 *10 ) / ( 15 +10 ) = 150 / 25 = 6 Ом
Rэ = R123456 = R1 +R23456 = 4 + 6 = 10 Ом