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Category > Physics Posted 23 May 2017 My Price 6.00

Part B (Magnetism and Electromagnetic induction)

Part B (Magnetism and Electromagnetic induction) (25 marks) (a) What happens to the reading on the galvanometer when the switch in circuit 1 is (i) First closed (3 marks) (ii) Kept closed, and (3 marks) (iii) Opened again? (4 marks)
COII 1 coil 2 switch \
O
/ galvanometer circuit 1 (b) Compare the magnitude of the attractive forces that act between an iron tack and a
strong magnet. Is it larger, smaller, or equal? (5 marks) (c) A cyclotron is a device for accelerating charged particles (e. g. electron e) to high
speed as they follow an expanding spiral path. Cyclotron The charged particles are subjected to both an electric field and a magnetic field. One
of these fields increases the speed of the charged particles, and the other field causes
them to follow a curved path. (i) Which field performs which function? (5 marks) (ii) Draw a schematic diagram for the relative dispositions of magnetic field,
electron velocity, and the resultant magnetic force acting on the accelerated
electron in the cyclotron machine. (5 marks)

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SuperTutor
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Status NEW Posted 23 May 2017 01:05 AM My Price 6.00

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