[請問] 電表可否測出電池有沒有電,電足不足?已回收
一般那種普通電池~
可否測出電池是否有電呢?
是測電壓~
還是測電流~?
有沒有可能電壓是1.5V...然後其實沒電?
水銀電池也一樣嗎?
謝謝~
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