51cg

• Charges, charge per unit length, area and volume, dimensional analysis, forces on charges, Coulomb’s law, Millikan’s experiment, electric field and its units, work on a charged particle, voltage and its relation to electric field. Voltages and electric fields at the surface of a conductor. The parallel plate capacitor, Q=CV, forces on parallel plates; Electrostatic energy; dielectrics; Capacitors as circuit components, ac impedance. The electrostatic loudspeaker.

• Magnetic fields, magnets and compasses; Magnetic field due to a current carrying conductor; Visualising magnetic fields; Forces on a current carrying conductor; simple DC electric motors; The Earth’s magnetic field; Magnetostatic energy; simple magnetic materials; the inductor, ac impedance the solenoid; the transformer .

• Semiconductor devices: semiconductors, dopants, p-type, n-type, the p-n junction and the diode equation; the photodiode; FETs and the MOSFET, the bipolar transistor and its circuit behaviour; the common emitter amplifier; simple logic circuits (inverter, NAND, NOR); the Thyristor and the Triac; the SPICE circuit simulator; entering a simple circuit; types of analyses;

Circuit theory: Kirchoff’s laws and examples of their application; Thevenin and a better common emitter amp; Norton; Applications to operational amplifier circuits;

The course includes a series of laboratory exercises including computer aided design using a SPICE circuit simulator.

Information on contact teaching time is available from the course guide.

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There are no assessments for this course.