Saadaasha Voltmeter

Odoros voltmeter, oo ku habboon shaybaarka dugsiga si loogu cabbiro danab wareegga DC, si loogu muujiyo qalabka.–Waxaa lagu wareejinayaa wareegga silikoon diode ee mitirka mitirka, kana madax banaan burburka culeyska- Saxnaanta miisaanka buuxa ee?