# Elementary Row (Column) Transformations

Elementary Row (Column) Transformations The following three operations applied on the rows (columns) of a matrix are called elementary row (column) transformations. (i) Interchange of any two rows (columns): If ith row (column) of a matrix is interchanged with the jth row (column), it will be denoted by Ri ↔ Rj (Ci ↔ Cj). For Example: , then by applying Read more about Elementary Row (Column) Transformations[…]

# Solenoid and Toroid

Solenoid and Toroid Solenoid: A solenoid is a coil of insulated or enamelled wire wound on a rod-shaped form made of solid iron, solid steel, or powdered iron. Devices of this kind can be used as electromagnets, as inductors in electronic circuits, and as miniature wireless receiving antennas. Let us consider a solenoid, such that its length is Read more about Solenoid and Toroid[…]