moduleT2_problems_solutions

moduleT2_problems_solutions - EE 303 Homework on...

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EE 303 Homework on Transformers, Dr. McCalley. Not to turn in – to be covered on quiz Tuesday, Feb 18, 2003 The quiz problems will be duplicated from parts of one or more of the below. 1. The physical construction of four pairs of magnetically coupled coils is shown below. Assume that the magnetic flux is confined to the core material in each structure (no leakage). Show two possible locations for the dot markings on each pair of coils. 2. Write the equations for v 1 (t) and v 2 (t) for the circuit below. L 2 L 1 M + - _ + v 1 (t) v 2 (t) i 1 (t) i 2 (t) 3. Write the equations for (a) v a (t) and v b (t) and (b) v c (t) and v d (t) for the circuit below.
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+ - _ + v d (t) L 2 L 1 M + - _ + v c (t) v b (t) i 1 (t) i 2 (t) v a (t) 4. Write a set of mesh current equations that describe the circuit below in terms of i 1 , i 2 , and i 3 . Note the last equation (right loop) should be equal to zero.
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5. A pair of coupled inductors is connected in two different ways as shown below. In each case,
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moduleT2_problems_solutions - EE 303 Homework on...

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