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Calculate the value of self-inductance

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Reference no: EM131340151

1. A coil of self-inductance 0.04 H has a resistance of 15 Ω. Calculate the energy stored when it is connected to a 24 V d.c. supply.

2. The energy stored in the magnetic field of an inductor is 68 mJ, when it carries a current of 1.5 A. Calculate the value of self-inductance.

3. What value of current must flow through a 20 H inductor, if the energy stored in its magnetic field, under this condition, is 60 J?

Reference no: EM131340151

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