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There are FOUR (4) questions in this section. Answer ALL questions in the Answer Booklet. Each question gives 12 marks.
Posted: Sun Nov 13, 2022 10:26 am
by answerhappygod
- There Are Four 4 Questions In This Section Answer All Questions In The Answer Booklet Each Question Gives 12 Marks 1 (118.48 KiB) Viewed 103 times
There are FOUR (4) questions in this section. Answer ALL questions in the Answer Booklet. Each question gives 12 marks. 1. Answer the following questions a) A flat circular coil with 40 loops of wire has a diameter of 32 cm. What current must flow in its wires to produce a magnetic field of 3.0×10−4 Wb/m2 at its center? (4 marks) b) A horizontal long wire carries a current 15 A. What is the magnitude of the magnetic field it produces at a point 5.0 cm below the wire? (4 marks) c) A 1.5 m long wire is formed into a plane coil of one turn. If the current in the wire is 65 mA, find the magnetic field at the center of the coil.