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Group Assignment Answers on BEE10103 Advanced Electrical Circuits Analysis
Questions 1
Circuit shown in Figure1 is series parallel resistance and inductors, the initial currents in inductors L1 and L2 have been established by sources not shown. The switch is opened at t=0.
- Find i1, i2 and i3 for t≥0.
- Calculate the initial energy stored in the parallel inductors.
- Determine how much energy is stored in the inductors as t→∞.
- Show that the total energy delivered to the resistive network equals the difference between the results obtained in (b) and (c).
Questions 2
The switch in the circuit shown in Figure 2 has been in position a for a long time. At t=0, the switch moves from position a to position b. The switch is a make-before-break type; that is, the connection at position b is established before the connection at position a is broken, so there is no interruption of current through the inductor.
- Find the expression for i (t) for t≥0.
- What is the initial voltage across the inductor just after the switch has been moved to position b?
- How many milliseconds after the switch has been moved does the inductor voltage equal 24 V?
