Розрахунок: dk83qq - 1

1

/ F

=
(

n1

/ n2

-1)* (

1

/ R1

+

1

/ R2

)

1

/ F

= (

n1

/ n2

-1)* (

1

/ R1

+

1

/ R2

) $\frac{1}{F}$ = $(\frac{n1}{n2}-1)\cdot (\frac{1}{R1}+\frac{1}{R2})$

1

/ F

=

n1

/ R1/ n2

-

1

/ R1

+

n1

/ R2/ n2

-

1

/ R2

$\frac{1}{F}$ = $\frac{n1}{R1\cdot n2}-\frac{1}{R1}+\frac{n1}{R2\cdot n2}-\frac{1}{R2}$

F =

1

/ (

n1

/ R1/ n2

-

1

/ R1

+

n1

/ R2/ n2

-

1

/ R2

)

$F$ = $\frac{1}{\frac{n1}{R1\cdot n2}-\frac{1}{R1}+\frac{n1}{R2\cdot n2}-\frac{1}{R2}}$