Part A Engineering Mechanics (PJ)
International System of Measurement. Quantities, units, and dimensions. Elementary dimensional analysis.
Laws of kinematics. Newtonian Mechanics: Force, mass, momentum and
’s Second Law. Kepler’s Laws.
Laws of angular motion. Resolution of forces. Definitions of work and power. Kinetic energy. Potential energy as stored energy, and simple examples.
Law of Conservation of Energy. Mechanical oscillators. Simple Harmonic Motion (SHM).
Part B Fields and Charges (RJC)
Electric charge, static electricity & current/Coulomb, Fields (conception of scalar vs basic vector) & field lines. Field strength & potential, potential gradients in uniform fields. Capacitance (fields, forces, energy) & dielectrics. Coulombs law (test charges, Force vs strength vs potential, work moving charge).
Permanent magnets (fields, attraction/repulsion etc) & dc currents (wires, solenoids etc). Magnetic field strength (solenoids, wires, left hand rule, perpendicular components etc). The ampere (definition using two parallel wires). Coil meters and dc motors. Charged particles in magnetic fields. Hall effect. Ferromagnetism (relative permeability).
Part A Acoustics (PJ)
Fundamentals of acoustic waves, the decibel, sound pressure level.
Human hearing, sensitivity and masking. Acoustic measurement and specification.
Reflection and transmission/isolation of acoustic waves. Impulse responses and resonances. Physical acoustics and examples.
Part B Materials (KJK)
Structure of the atom (nucleus, electrons, shells). Ionic bonding (electrostatics). Covalent bonding, Metallic bonding (free electrons). Van der Waals. Insulators, metals and semiconductors (basic definitions/properties/energy bands/Fermi level).
Intrinsic (Si, Ge etc), Extrinsic (donor/acceptor, n-type, p-type). Direct/indirect semiconductors (absorption, emission, phonons). p-n junctions & diodes (principle of basic operation, Zener, LED, photodiode). Charge mobility, current transport mechanisms, resistivity and the Hall effect.