What is the energy stored in the magnetic field if the current in a coil has a c

Question

What is the energy stored in the magnetic field if the current in a coil has a constant inductance of L henrys grows at a uniform rate?

Options:

A . LI/2

B . LI²/2

C . L/2I

D . L/2I²

Answer: Option B
Answer: (b).LI²/2

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