
電壓
Authored by CHEN HSI CHUAN
Physics
9th Grade
Used 3+ times

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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電路裝置如圖所示,開關S尚未開通時,通過安培計的電流為1 A。若三個電阻器的電阻均為R歐姆,且均符合歐姆定律,導線、安培計及電池的電阻可忽略不計,則在接通開關S後,通過安培計的電流應為下列何者?
1/3 A
1 A
2 A
3 A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電路裝置如附圖所示(燈泡規格相同),則A1、A2、A3的安培計讀數的大小關係為
A1>A2=A3
A1=A2>A3
A1>A2>A3
A1=A2=A3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
安培計的使用方法,何者錯誤?
使用前先歸零
與待測物並聯
不可單獨與電池連接,以免燒毀
測量範圍應由大而小漸漸改變
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
流經導線電流的大小表示
電池中電子的數量
導線中電子的數量
每秒通過導線某一截面的電量
導線中質子的數量
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電路裝置如附圖所示,則I1、I2、I3的電流關係為
I1=I2=I3
I1+I2=I3
I2+I3=I1
I1+I3=I2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
相同的甲、乙燈泡並聯如圖,其中I1讀數為500 mA,I2=?
500 mA
1A
250 mA
50 mA
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
相同的甲、乙燈泡並聯如圖,其中I1讀數為500 mA,每秒有多少個電子通過電池?
1
1.6 × 10-19
6.24 × 1018
500
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