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s2_chp8.1-8.4_A_chi

Authored by Steven Wong

Science

7th Grade

7 Questions

Used 9+ times

s2_chp8.1-8.4_A_chi
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電路必須形成一條完的路徑,才可把電能從電源傳送至電器。

T

F

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

閉合電路必定設有開關。

T

F

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

所有金屬都能導電。

T

F

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

兩個相同的電池以相同方向接駁,並與伏特計連接。如果每個電池的電壓都是1.5 V,下列哪一個是伏特計的讀數?

1.5V

0V

3V

4.5V

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪個物體帶磁性?

接駁至電池的鎳鉻線圈

接駁至電池的塑膠線圈

繞在鐵釘上的銅線圈

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一個是電流的單位?

伏特

歐姆

焦耳

安培

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

下列哪項關於開關的敍述是正確的?

用來控制電路斷開和閉合。

包含一些能導電的配件。

可以分為很多種類。

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