- #1
Helly123
- 581
- 20
Homework Statement
http://[url=https://ibb.co/dgUy6T]https://preview.ibb.co/iyqS0o/20180525_213806.jpg
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Since i only know the field direction, increasing go into page. Why the answer is C?
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Why the answer "a" ?
The R and r on the pic is respected to what?
[h2]Homework Equations[/h2][h2]The Attempt at a Solution[/h2]
Right hand rule : finger tip = current
Thumbs = force
Palm = B
Or
Finger tip = velocity
Thumbs = current
Palm = B