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PHYS 2421 - Fundamentals of Physics
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Course last offered
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Fall 2011/12
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Instructor(s)
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Shengwang DU, Rolf W LORTZ
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No. of credits
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4
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Teaching Pattern
Content
- Electric field due to point charges, dipole, line of charge and disk of charge
- Electric charge in a E field, dipole in a E field
- Electric flux, Gauss’ Law, application to isolated conductors
- Gauss’ Law applied to systems with cylindrical, planar and spherical symmetry
- Electric potential energy and electric potential, equipotential surface, potential due to point charges
- Potential due to electric dipole, a line and a disk of charge, finding E from V, potential energy of a system of point charges, and
- potential due to a charged isolated conductor
- Capacitance, capacitors in series and parallel
- Energy stored in a E field, dielectrics
- Current and current density, resistance and resistivity, Ohm’s law
- Circuits, Kirchhoff’s laws, RC circuits
- Charged particles in a magnetic field, and cross E and B field, Hall effect, circulating and spiral paths of charged particles, mass spectrometer
- Particle accelerators, magnetic force on a current-carrying wire, magnetic dipole moment
- Magnetic field due to a current, Biot-Savart law, force between current-carrying conductors
- Ampere’s law, solenoid and toroid, current carrying coil as a magnetic dipole
- Faraday’s law of induction, Lenz’s law, induced electric field
- Inductors, self induction, RL circuits, energy stored in a B field, mutual inductance
- EM oscillation, RLC circuits, simple AC circuits
- Series RLC circuit, power in AC circuits, transformers
- Gauss’ law for magnetism, induced B field, displacement current, Maxwell’s equations, earth’s magnetic field
- Microscopic origin of magnetism, dia-, para-, and ferromagnetism, hysteresis
- EM wave
- Temperature, heat, first law of thermodynamics, heat transfer mechanisms
- Ideal gas law, kinetic theory of gases
- Maxwell’s distribution, specific heat and degrees of freedom, adiabatic process, free expansion
- Entropy and the second law, reversible and irreversible processes, heat engines
Remarks
- Exclusion: PHYS 1413, PHYS 1433, PHYS 2411, PHYS 112 (prior to 2007-08)
- Prerequisite: AL* Physics/Engineering Science/PHYS 1411
* AL – Advanced Level of Hong Kong Advanced Level Examination
PHYS 2421 will not be offered w.e.f. Spring 2012/13. It can be substituted by PHYS 1114 or PHYS 1154, together with PHYS 1115.
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