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電壓

Authored by CHEN HSI CHUAN

Physics

9th Grade

Used 3+ times

電壓
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26 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

電路裝置如附圖所示(燈泡規格相同),則A1A2A3的安培計讀數的大小關係為

A1A2A3
A1A2A3
A1A2A3
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

Media Image

電路裝置如附圖所示,則I1I2I3的電流關係為

I1I2I3
I1I2I3
I2I3I1
I1I3I2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

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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