When a current with a force I = 75 A flows through the winding of the coil, a magnetic field appears in space
| August 8, 2021 | education
When a current with a force I = 75 A flows through the winding of the coil, a magnetic field appears in space, the total energy of which is W = 162 J. Determine the inductance of the coil L.
To determine the inductance of the coil taken, we apply the formula: W = L * I ^ 2/2, whence L = 2 * W / I ^ 2.
Values of variables: W – total energy of the magnetic field (W = 162 J); I is the current in the winding (I = 75 A).
Let’s calculate: L = 2 * W / I ^ 2 = 2 * 162/75 ^ 2 = 0.0576 H or 57.6 mH.
Answer: The inductance of the coil is 57.6 mH.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
