
từ trường dòng điện thẳng
Interactive Video
•
Physics
•
11th Grade
•
Hard
Kỳ Nam Phan
FREE Resource
3 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
theo các em khi cho dòng điện chạy qua dây dẫn thì kim nam châm sẽ như thế nào ?
vẫn chỉ theo hướng cũ
quay tròn
lệch so hướng ban đầu
sẽ dịch chuyển rồi trở về trang thái ban đầu
2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Bạn có thích bài học video này không?
Có
Không
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu ta đổi chiều dòng điện thì kim nam châm thay đổi như thế nào so với lúc đầu ?
Vẫn theo hướng cũ
Sẽ quay theo hướng ngược lại
tiếp tục quay thêm một đoạn nhiều hơn lúc đầu
kim nam châm quay lại đúng một vòng
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