
s2_chp8.1-8.4_A_chi
Authored by Steven Wong
Science
7th Grade
Used 9+ times

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7 questions
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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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