Question

Please answer this question fast

Answer 1

• [ i ] in the first picture we observe that the north part of magnetic needle is attracted by the circuit and on the second picture we observe that the south part of magnetic needle repulsed by the circuit.

• [ ii ] yes , the relation is that the direction of the negative charge flowing leads to the attraction of magnetic needle.

• [iii] through this experiment we learn that the direction the -ive charge flowing leads to the attraction of the magnetic needle.