電阻與歐姆定律

Quiz
•
Professional Development
•
12th Grade
•
Easy

Cheng-Ling Ying
Used 1+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電阻的定義是什麼?
電阻是電流的速度
電阻是電流的強度
電阻是電壓的單位
電阻是物質對電流流動的阻礙程度。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
歐姆定律的公式是什麼?
V = R / I
V = I + R
V = I * R
V = I - R
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電阻的單位是什麼?
伏特
瓦特
歐姆
安培
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
串聯電路的特點是什麼?
串聯電路的特點是電流相同、電壓分配和斷路影響。
斷路不影響整個電路
所有元件都必須是相同的
電流和電壓相同
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
並聯電路的特點是什麼?
並聯電路的特點是各元件電流相同,電壓分配。
並聯電路的特點是所有元件必須同時工作。
並聯電路的特點是各元件電壓相同,電流分配,故障不影響其他元件。
並聯電路的特點是故障會影響所有元件。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何測量電阻?
將電阻放入水中測量
使用電壓表測量電阻
使用萬用表測量電阻
用手觸摸電阻來測量
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
影響電阻的因素有哪些?
電壓的頻率
電流的大小
電路的形狀
材料的導電性、長度、橫截面積和溫度
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