PHY 102: General Physics II (Electricity & Magnetism)

Course Overview: General Physics II (Electricity & Magnetism)

• Course code: PHY 102
• Academic units: 2 Units
• Contact hours: 30

Key Topics Covered

• Forces in Nature

  • Understanding fundamental forces affecting charged particles.

• Electrostatics

  • Electric charge: properties and methods of charging.
  • Coulomb’s Law: quantifies the electrostatic force between charges based on distance and magnitude.
  • Superposition principle: net force on a charge due to other charges.

• Electric Field and Potential

  • Concept of electric fields generated by point charges.
  • Potential energy associated with charge configurations.

• Gauss’s Law

  • Relates electric flux through a closed surface to the charge enclosed.

• Capacitance

  • Measures a capacitor's ability to store charge per unit voltage.
  • Introduction to electric dipoles and their behavior in electric fields.

• Energy in Electric Fields

  • Energy storage in the electric fields of capacitors.

• Conductors and Insulators

  • Behavior of conductors vs. insulators in electric fields.

• DC Circuits

  • Fundamental concepts: current, voltage, and resistance.
  • Ohm’s Law: V = IR, where V is voltage, I is current, and R is resistance.
  • Resistor combinations: series and parallel analysis.
  • Circuit analysis: techniques for solving various DC circuit configurations.

Magnetic Concepts

• Magnetic Fields

  • Definition and characteristics of magnetic fields around current-carrying conductors.

• Lorentz Force

  • Force exerted on a charged particle moving through a magnetic field.

• Biot-Savart and Ampère’s Laws

  • Biot-Savart Law: calculates the magnetic field generated by a current element.
  • Ampère’s Law: relates magnetic field strength to electric current via a closed loop.

• Magnetic Dipoles

  • Behavior and effects of magnetic dipoles in magnetic fields.

Dielectrics and Energy Storage

• Importance of dielectrics in capacitors and their effect on capacitance.
• Energy stored in magnetic fields and the concept of flux linkage.

Electromagnetic Concepts

• Electromotive Force

  • Potential difference generated by changing magnetic fields.

• Electromagnetic Induction

  • Faraday’s Law: induced EMF in a circuit due to changing magnetic flux.
  • Lenz’s Law: direction of induced currents oppose the change.

• Inductance

  • Self-inductance: property of a coil inducing EMF in itself.
  • Mutual inductance: interaction between two coils influencing each other.

Transformers and Waves

• Step-up and step-down transformers: changes in voltage and current.

• Maxwell's equations: foundational to classical electromagnetism.

• Electromagnetic Oscillations and Waves

  • Analysis of AC voltages and currents in circuits containing inductors, capacitors, and resistors.

Structure of Course Delivery

• Weekly breakdown of topics with problem-solving sessions by Instructor Mr. Azeez.
• Emphasis on practical problem-solving and conceptual understanding throughout the semester.

This quiz covers the course contents of PHY 102, including forces in nature, electrostatics, Coulomb's law, electric field and potential, Gauss's law, capacitance, electric dipoles, and energy in electric fields.