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4:40 PM Thu 28 Apr то Question 3 (a) Outline how a magnetic field may be created (other than through the use of a bar magnet) and how the size of the magnetic field can be increased. (3 marks) (b) The diagram below represents a 1.5 m wire carrying a current of 2 μA in a magnetic field of strength 0.05 T. N (+) S (i) Taking the magnetic field direction and current direction into consideration, what will happen to the wire shown above? (2 marks) (ii) If the wire has a mass of 0.04 g. what acceleration will the wire experience? (5 marks) (iii) The experimental setup shown above forms the basis of what device? What is the function of this device? (2 marks) (c) Describe how the magnetic field strength relates to the magnetic flux. (3 marks) 34% 1