Level 6 Graduate Diploma in Engineering (9210-01) - City & Guilds

Unit 112 Circuits and waves
Assessment Criteria
Outcome 1 Solve problems involving electrical circuits and networks
The learner can:
1 Analyse complex networks excitations.
2 Obtain transient and steady state response of a given passive network.
3 Formulate matrix equations for mesh and nodal analysis of dc and ac circuits and solve them
4 Analyse passive networks using pole-zero patterns.
5 Explain Synthesis of LC, RC and LRC networks. Cauer, Foster canonical forms.
6 Demonstrate the knowledge of classical filter design: low pass, high pass and band pass.
7 Use two- port parameters in two-port network to analyse the filter circuits and networks.
8 Simulate ac and dc circuits using simulate software tools.
9 Apply Fourier series and Fourier transform power spectra and spectral analysis of wave forms.
Outcome 2 Solve problems involving electromagnetic field and waves
The learner can:
1. Apply Gauss’ law and calculate electric field strength (E) and Electric flux density (D) of different
objects such as rod, sphere, disc, plates with the distribution of electric charge.
2. Calculate capacitance of different configurations such as parallel plates, concentric cylinders.
3. Apply Ampere’s Circuital law and calculate magnetic field intensity (H) and magnetic flux density
(B) to solenoids and toroids.
4. Produce an electric circuit analogue for magnetic circuit and develop the relationship between
mmf, flux and reluctance conductor.
5. Calculate capacitance and inductance per unit length of wire pair and coaxial line.
6. Obtain Maxwell’s equations in integral and differential forms and obtain wave equation for free
space and for a lossy medium for uniform plane wave propagation.
7. Determine the electromagnetic field/wave energy using Poynting Theorem.
8. Explain polarisation of electromagnetic waves; examine reflection and transmission of
electromagnetic waves when incident at a boundary.
9. Identify TE and TM mode propagation wave propagation through rectangular metal waveguides;
determine the dominant mode; the power transmitted through a rectangular waveguide using
the dominant mode and uses of metal waveguides in communications.
10. Draw radiation pattern of antennas; define, directivity, gain, radiation resistance of an antenna;
express the far field electric field due to a short dipole, half-wave dipole, monopole, small loop,
large loop and draw their radiation patterns; obtain beam-width; express antenna impedance of
these antennas.
11. Obtain beam-width, directivity and gain of horn antenna and parabolic reflector antenna and
describe feeding methods of parabolic antennas; radiation patterns of uniform linear isotropic
arrays; broadside and end-fire arrays and obtain beam-width between first nulls and discuss
applications of antenna arrays.
70 Level 6 Graduate Diploma in Engineering (9210-01)