Joule’s Law of Heating

Heat and Power

Joule’s Law of Heating

When an electric current is passed through a conductor, heat is produced after some time which is...}

Electro Motive Force and Circuit Formula

Heat and Power

Electro Motive Force and Circuit Formula

 Emf is the potential difference between the terminals of the cell in an open circuit. ...}

Grouping of Cells

Heat and Power

Grouping of Cells

 Cells can be grouped into series, parallel and mixed grouping.

 The maximum cur...}