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...
10 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
8 years ago
by
Hate Nation