Observe the circuit diagram given in the image and answer the questions given below: 1) What is the difference between the positions of the magnetic compass needles in (a) and (b)? 2) What causes the...

Observe the circuit diagram given in the image and answer the questions given below: 1) What is the difference between the positions of the magnetic compass needles in (a) and (b)? 2) What causes the deflection in the needle of the magnetic compass even when there is no magnet nearby? 3) Is this magnetism permanent or temporary? Support your answer with reason.

Extracted text: North A North M M Compass needle gets deffected S S Plotting compass Switch North North (b) (a) Current