2.在測量一節(jié)干電池電動勢和內(nèi)阻的實驗中.某學(xué)生采用了如圖實-7-15所示實驗器材連接.請指出該學(xué)生在接線中錯誤和不規(guī)范的做法. 圖實-7-15 (1) , (2) , (3) , (4) . 答案:(1)滑動變阻器不起變阻作用 (2)電流表正負接線柱錯誤 (3)電壓表量程選用不當(dāng) (4)電壓表沒有并接在開關(guān)和電源串聯(lián)后的兩端 查看更多

 

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在測量一節(jié)干電池電動勢和內(nèi)阻的實驗中,某學(xué)生采用了如圖實-7-15所示實驗器材連接,請指出該學(xué)生在接線中錯誤和不規(guī)范的做法.

圖實-7-15
(1)________________________________________________________________________;
(2)________________________________________________________________________;
(3)________________________________________________________________________;
(4)________________________________________________________________________.

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在測量一節(jié)干電池電動勢和內(nèi)阻的實驗中,某學(xué)生采用了如圖實-7-15所示實驗器材連接,請指出該學(xué)生在接線中錯誤和不規(guī)范的做法.

圖實-7-15

(1)________________________________________________________________________;

(2)________________________________________________________________________;

(3)________________________________________________________________________;

(4)________________________________________________________________________.

 

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在測量一節(jié)干電池電動勢和內(nèi)阻的實驗中,某學(xué)生采用了如圖實-7-15所示實驗器材連接,請指出該學(xué)生在接線中錯誤和不規(guī)范的做法.

圖實-7-15
(1)________________________________________________________________________;
(2)________________________________________________________________________;
(3)________________________________________________________________________;
(4)________________________________________________________________________.

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.在測量一節(jié)干電池電動勢和內(nèi)阻的實驗中,某學(xué)生采用了如圖所示實驗器材連接,請指出該學(xué)生在接線中錯誤和不規(guī)范的做法.

 (1)________________________________________________________________________;

(2)________________________________________________________________________;

(3)________________________________________________________________________;

(4)________________________________________________________________________.

 

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.在測量一節(jié)干電池電動勢和內(nèi)阻的實驗中,某學(xué)生采用了如圖所示實驗器材連接,請指出該學(xué)生在接線中錯誤和不規(guī)范的做法.

(1)________________________________________________________________________;
(2)________________________________________________________________________;
(3)________________________________________________________________________;
(4)________________________________________________________________________.

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