In a uniform magnetic field, the field lines are :
(a) curved
(b) parallel and equidistant straight lines
(c) parallel, but non-equispaced straight lines
(d) nothing can be said.
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 .......................
A magnetic field existing around a magnet can be represented by magnetic field lines. Magnetic field lines always form: