國中自然3下1-2
Quiz
•
Education
•
6th - 8th Grade
•
Practice Problem
•
Medium
李康乙 李康乙
Used 5+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
軒軒買了一臺手提CD音響,規格標示為AC 110 V/220 V或DC 12 V,則下列敘述何者正確?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於電力公司向用戶收取費用的敘述,下列何者為非?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
家庭電器在電線與插頭的相接處,以及電線與電器的相接處,常因彎曲或受到不當的拉扯使得銅線斷裂,而形成何種現象?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若電線中之兩銅線斷裂且互相碰觸,則會出現什麼現象?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若電路中的電流超過安全容量時,不會發生下列何種情形?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於家庭用電安全的敘述,下列何者為非?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若有一延長線,其插頭的安全容量為25 A,導線的安全容量為22 A,插座的安全容量為20 A,則此延長線應選用何種安全容量的保險絲,才能有效保護電路與電器的安全?
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