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COVENANT UNIVERSITY 2014/2015 Academic Session COURSE COMPACT College: College of Science and Technology Department: PHYSICS Course Title: Electricity and magnetism Course Code: PHY 121 Unit: Time: 2 10:00 – 12:00pm Venue: LT 1 Course Lecturer: Joel Emmanuel Sunday (Mr) Semester: Omega A. Course Overview A magnet gives rise to a field that surrounds them and which causes forces on other magnets, iron and steel objects, and current- carrying wires. The part of a magnet where the field emerges is called the N pole, and where the field enters the magnet is called the S pole. Magnets always have both N and S poles. It takes energy to make a magnetic field. We can use this idea to explain the magnetic force. When we turn off the current to an electromagnet, the magnetic energy will keep the current going briefly, and in the process may give rise to an unusually high voltage in the circuit or even a voltage in a different circuit. Electricity is related to magnetism in several ways. A current gives rise to a magnetic field, and a magnetic field gives rise to a force on a current. A rapidly changing magnetic field gives rise to an electrical effect that will make currents flow. B. Course Objective At the end of this course, the students should be able to: (i) Describe the concept of electricity and magnetism (ii) State the fundamental laws of electrostatics (iii) State Coulomb law’s of electrostatic (iv) Derive mathematically Coulomb’s law (v) Describe capacitors, Ohm’s law and Conductivity (vi) Derive the Kirchhoff’s law (vii) Describe the application of electricity and magnetism C. Method of Teaching/Teaching Aids. Lecture/Teaching method will be adopted in the delivery of the course. D. Course Outline Module 1 (Week 1-2) 1. Electrostatics and Coulomb’s law 2. Capacitors 3. Ohm’s law and Conductivity Module 2 (Week 3- 4) 4. Kirchhoff’s laws, Electrical energy and DC bridges Module 3 (Week 5-6) 5. Wheatstone bridge, Potentiometer and Magnetic effect of current Module 4 (Week 7-8) 6. Electromagnetic induction, moving coil galvanometers and Multi-meters Module 5 (Week 9-10) 7. DC and AC motors/Generators 8. Power in AC circuits 9. Rectification Tutorials and assignment will be given to the students at the end of each lecture. E. Method of Grading Continuous Assessment 30% Final Exam 70% F. Ground rules and regulations. 75% attendance at lecture is required for a student to sit for the examination. Students are expected to be seated 5minutes before the commencement of the lecture. G. Alignment with Covenant University vision. Fully Aligned H. Industrial Relevance – Knowledge of electricity and magnetism is applied in electronics industry , production of generators , communication industries etc I. Recommended Text University Physics Fundamental of Physics by Haliday College Physics (Schaum’s Outlines series) by Frederick and Eugene