## Introduction to Electricity and Magnetism

Semester 2

This is a pre-calculus course covering fundamental topics in Electricity and Magnetism.

Syllabus:

Electricity and Magnetism (18 Lectures):

• Electric field and potential:
• Definition of point charge.
• Coulomb’s law.
• The electric field E.
• Force on a charge q in electric field E.
• Electric potential.
• Charge q traversing electric potential âˆ†V.
• Definition of the electron volt.
• Electric potential energy.
• Charge q in a conducting sphere.
• Resulting E and V.
• Capacitors:
• Q=CV.
• Capacitance of the parallel plate capacitor and the electric field between charged plates.
• Dielectrics.
• Energy stored in a charged capacitor and energy density in terms of E.
• Capacitors in series and parallel.
• Ohm’s Law:
• Resistors in series and parallel.
• Emf, internal resistance and terminal potential difference of a battery. Kirchhoff’s laws and applications.
• Electric power for DC and AC voltages.
• Magnetism:
• Force on current-carrying wire in a magnetic field.
• Definition of magnetic field B.
• Force due to B on charge q moving with velocity v.
• B due to a long straight current-carrying wire and a solenoid.
• Force between current-carrying conductors.
• Definition of the Coulomb and Ampere.
• Electromagnetic Induction:
• Faraday’s law of electromagnetic induction.
• Lenz’s law.
• Motional emf.
• The inductance L.
• Energy stored in an inductor and energy density in terms of B.
• Electric generators.
• Introduction to Electronics
• Logic Gates and their truth tables.
• P-type and n-type semiconductors.
• Diodes.
Evaluation:

One 2-hour theory examination paper                                                60%

Two 1-hour in-course tests (15% each)                                               30%

Laboratory work (average of 6 labs at 10% each)                              10%

Learning Objectives:

After completing this course, students should be able to:

•  Perform simple quantitative analyses of basic problems (with simple geometries) in electrostatics and electrodynamics.
•  Perform quantitative analyses of basic problems associated with the parallel plate capacitor. Determine the capacitance for a given geometry.
•  Explain the action and use of dielectric materials in capacitors.
•  Perform the reduction of simple capacitor networks using the concept of “the equivalent capacitor” for capacitors in series or in parallel.
•  Apply Ohm’s Law to solve simple electrical circuits.
•  Perform the reduction of simple resistor networks using the concept of “the equivalent resistor” for resistors in series or in parallel.
• Use Kirchhoff’s laws to solve more complex electrical networks (with two or more Emf’s).
• Determine the force due to a magnetic field (B) an a charge q moving with velocity v.
• Determine the force between current-carrying  conductors.
• Apply Faraday’s law of electromagnetic induction to solving practical problems in electricity and magnetism.
•  Perform and interpret the results of simple experiments and demonstrations of physical principles.
CXC/CSEC Physics or GCE â€œOâ€ Level Physics.

Required Textbook:

Cutnell, and Johnson; “Physics ”; 8th Edition, 2009. ISBN 978-0-470-22355-0

Internet Sources:

1.   An online suite of resources: www.wiley.com/college/wileyplus

2.   Self-assessment: www.wiley.com/college/cutnell