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Week 4 Homework

 Calculate the inductance of a coil that induces 120V when the current through it changes at a rate of 5A/s.

2. Calculate the inductance of a coil that induces 850V when the current through it changes at a rate of 30mA in 2µs.

3. Given an iron core with 200 turns, a length of 0.35m and an area of 3x10-4m2, determine the inductance.

4. A 10:1 transformer has NP = 300, VP = 240V and IP = 2A.Determine NS, VS, and Is.

5. Four inductors of values 6mH, 7mH, 9mH, and 10mH are connected in series.Determine the total inductance.

6. Four inductors of values 6mH, 7mH, 9mH, and 10mH are connected in parallel.Determine the total equivalent inductance.

7. Calculate the energy store in a 20mH inductor with a current of 3mA flowing through it.


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Asked by katrinasmith
4 years ago
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