(c) all five poles are required for the mark 1 (L4) (d) steel accept ‘iron’ accept ‘nickel’ accept ‘cobalt’ 1 (L3) [4] M9. (a) the core becomes magnetised • accept disc becomes ‘the magnetised’ accept is a magnetic ‘there field’ accept becomes an ‘it (electro)magnet’ accept stronger the current the stronger the ‘the magnet’ do not accept iron core becomes ‘the magnetic’ do not accept magnet gets ‘the stronger’ 1 (L7) any one from the core attracts the iron disc • accept disc is ‘the pulled down’ disc moves is insufficient as it ‘the down’ does not imply that a force is exerted there is more force on the iron disc • accept magnet exerts a force on the ‘the disc’ is a force on the is insufficient ‘there disc’ as it does not refer to the origin of the force 1 (L7) (b) any one from it would melt • accept would ‘it fuse’ coil would is insufficient ‘the break’ it would get too hot • accept could ‘it catch fire’ accept would ‘it blow’ would get is insufficient ‘it hot’ 1 (L7)
(c) all five poles are required for the mark 1 (L4) (d) steel accept ‘iron’ accept ‘nickel’ accept ‘cobalt’ 1 (L3) [4] M9. (a) • the core becomes magnetised accept ‘the disc becomes magnetised’ accept ‘there is a magnetic field’ accept ‘it becomes an (electro)magnet’ accept ‘the stronger the current the stronger the magnet’ do not accept ‘the iron core becomes magnetic’ do not accept ‘the magnet gets stronger’ 1 (L7) any one from • the core attracts the iron disc accept ‘the disc is pulled down’ ‘the disc moves down’ is insufficient as it does not imply that a force is exerted • there is more force on the iron disc accept ‘the magnet exerts a force on the disc’ ‘there is a force on the disc’ is insufficient as it does not refer to the origin of the force 1 (L7) (b) any one from • it would melt accept ‘it would fuse’ ‘the coil would break’ is insufficient • it would get too hot accept ‘it could catch fire’ accept ‘it would blow’ ‘it would get hot’ is insufficient 1 (L7)
physics_part_1_question_pack.docx