Inductors - Energy Stored
Energy stored in the magnetic field
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The energy stored in the magnetic field of an inductor can be expressed as
W = 1/2 L I2 (1)
where
W = energy stored (Joules)
L = inductance (henrys, H)
I = current (Amps, A)
Example - Energy Stored in Conductors
The energy stored in a conductor of 10 henrys with a current of 5 A can be calculated like
W = 1/2 (10 henrys) (5 A)2
= 125 Joules
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