What is the power in the magnetic field if the current in a coil has a – McqOptions

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1.	What is the power in the magnetic field if the current in a coil has a constant inductance of L henrys grows at a uniform rate?
A.	LI/2t
B.	LI²/2t
C.	L/2It
D.	L/2I²t
Answer» C. L/2It

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