106國營電磁學 - 考試
By Rebecca
at 2019-10-10T02:19
at 2019-10-10T02:19
Table of Contents
[課業] 國考課業相關問題,歷屆考題的討論,如學理觀念的釐清。
https://i.imgur.com/VsrKcA5.jpg
題目
他要說的角度應該是這樣吧
https://i.imgur.com/o72Wko9.jpg
然後電壓V為什麼是vblsin
v(速度) 跟b不是垂直嗎 速度往下 磁場向內 應該是90度垂直 為什麼要乘sin
應該不用才對阿 只要V B就好
我答案最後少一個sin
請各位指教
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