Question: Section C [10 marks] 1) Two circular wire coils with radius 20 cm and 40 cm are placed with their centres at a point P

Section C [10 marks] 1) Two circular wire coils with radius 20 cm and 40 cm are placed with their centres at a point P shown in Figure 3. Current in coil 1 is 0.5 A flowing clockwise while current in coil 2 is 0.25 A flowing anti-clockwise. Calculate the resultant magnetic field at point P. [7 marks] Coil 2 P Coil 1 Figure 3

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