After the inductor energy storage is full

How is energy stored in an inductor?

The energy stored in an inductor is directly related to both its inductance and the amount of current flowing through it. The formula for energy storage, $$U = \frac {1} {2} L I^2$$, shows that energy increases with the square of the current.

How does resistance affect the energy stored in an inductor?

A high resistance coil will allow less current to flow, thus reducing the energy stored. Hence, resistance indirectly affects the energy stored in an inductor. In summary, both the inductance of the inductor and the current flowing through the circuit greatly influence the energy stored in an inductor.

How do you calculate energy stored in an inductor?

Plug the respective values of inductance and current into the formula W = 1 2 L I 2, which gives you the energy stored in the inductor measured in joules (J). Remember, the result obtained from the above mathematical operation is the total energy stored in the inductor.

How does a pure inductor work?

This energy is actually stored in the magnetic field generated by the current flowing through the inductor. In a pure inductor, the energy is stored without loss, and is returned to the rest of the circuit when the current through the inductor is ramped down, and its associated magnetic field collapses. Consider a simple solenoid.

How much energy is stored in the inductor when a switch is opened?

Energy stored in the inductor: U = 1/2 L I2 When the switch is opened, this energy is dissipated in the resistor. An inductor doesn’t like change!!! When the switch is opened, the inductor will try to maintain the current that was flowing through it before the switch is opened.

What factors affect the energy stored in an inductor?

Coil Inductance: The inductance of the coil, typically expressed in henries, influences the amount of initial energy stored. The higher the inductance, the more energy an inductor can store. Current: Another vital factor is the amount of current flowing through the inductor – the energy stored is directly proportional to the square of this current.