RC

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-

.

,

900.

,

( )

.

: R C

.

. , .

- R.

=

R

RC

.

: - ; - ; S- - . ∙.

:

f=50

: ,

P = I*Ua = 2.5 * 120 = 300

1. RC.

2. .

) I2Xc ) UIsinφ

) UI ) UcI

3. .

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