Fill in the following blanks with suitable words:

(a) Magnetic field lines leave the...........pole of a bar magnet and enter at its.........pole.

(b) The earth's magnetic field is rather like that of a ..........magnet with its ........... pole in the northern hemisphere.

Complete the following sentences :

(a) If the field lines in a magnetic field are parallel and equidistant, the magnetic field is .............

(b) At a neutral point, the resultant magnetic field is ..........

(c) The neutral points of a bar magnet kept with its north pole pointing towards geographic north are located .......................

The magnetic field lines produced by a bar magnet :

(a) originate from the south pole and end at its north pole

(b) originate from the north pole and end at its each pole

(c) originate from the north pole and end at its south pole

(d) originate from the south pole and end at its west pole