Ans
1
->
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...
7 years ago
by
Physics Galaxy
Ans
2
->
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
5 years ago
by
Hate Nation