一磁棒的 N 極與 S 極如附圖所示。若將此磁棒由中央截成甲、乙兩段小磁棒,取這兩段小磁棒分別靠近與圖中相同的磁針,則下列示意圖中,何者最不可能為實際情況?〔101.基測〕

理化B6會考題A卷

Quiz
•
Chemistry, Physics
•
9th Grade
•
Hard
chungtsen chen
Used 4+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列四種裝置及其處理方式中,哪一種裝置的線圈會發生電磁感應現象?〔105.會考〕
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一長直導線垂直穿過水平厚紙板,在導線北方甲處水平放置一磁針。通過導線的電流方向與磁針的偏轉方向,如圖所示。若加大通過導線的電流,則磁針的偏轉方向應為下列哪一個圖形?〔94.基測Ⅱ〕
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將兩個完全相同的線圈放在桌面上,另有甲、乙、丙三羅盤,乙羅盤在兩線圈的正中間,如圖。當開關 K1、K2 按下接通電流後,下列何者正確?〔91.基測Ⅰ〕
甲羅盤磁針的 N 極向東偏轉
乙羅盤磁針的 N 極向西偏轉
丙羅盤磁針的 N 極向東偏轉
乙羅盤所在位置的磁場最強
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將燈泡甲、乙、丙與電池連接成通路,如圖所示,發現甲燈泡的電功率最大,乙燈泡的電功率最小。已知甲燈泡的電阻為 R甲,乙燈泡的電阻為 R乙,丙燈泡的電阻為 R丙,則下列敘述何者正確?〔94.基測Ⅰ〕
R甲>R丙>R乙
R丙>R乙>R甲
R甲=R乙=R丙
R乙>R丙>R甲
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
電路裝置如圖所示,X 為 0.5 Ω 的保險絲,電路中串聯兩個同為 8 V、32 W 的電燈泡,分別為 L1、L2。假設流經電燈泡的電流為 4 A,且電池與導線的電阻可忽略不計,則下列何者為電池組輸出的總電功率?(電功率 P=I2R= )〔92.基測Ⅰ〕
18 W
64 W
72 W
80 W
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