Paduodu i pirmine 50 Hz. Kiek Hz turiu antrinej?

"Dainiushas" <skirdain@gmail.com> wrote in message 
news:hltqbk$qv2$1@trimpas.omnitel.net...
> tu trolini, ar kartais rimtai būni trenktas?
>
> "Signalizacija" <signalizacija.master@gmail.com> wrote in message 
> news:hls1md$3rf$1@trimpas.omnitel.net...
>> O cia kokiu budu is 50Hz pasidaro 40 KHz?
>>
>> "trans" <no@spam.lt> wrote in message 
>> news:hlr8pc$agu$1@trimpas.omnitel.net...
>>> 12V halogenu trafu isejime berods 40kHz. Tai keiciant i ledus teks ir 
>>> trafus keist nes jiem reikalinga nuolatine
>>>
>>>> Ir - o tai manot, kad visi ledai bus tik 220V skirti, nebus 12 V 
>>>> varianto?
>>>
>>
>>