Ans
1
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The planes are mentioned in the figure and you can orient your hand fingers and palm in front of the figure... with practice only you can gain command over it...
8 years ago
by
Physics Galaxy
Ans
2
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Hold a pen or something and imagine current passing through you looking towards the wire while holding the pen imagine the coordinates surrounding you, since you are living in 3-D questions of 3-d will be easier to imagine
6 years ago
by
Hate Nation