CBSE Class 12 Physics Notes of Chapter 3

Current Electricity

Download PDF of class 12 Physics notes of Chapter 3 Current Electricity. Notes of Chapter 3 Current Electricity contains all the topic as per the syllabus of NCERT. Each topic is explained in very easy language with colored diagrams. Typical topics are divided into parts so that student can understand these topics step by step. Class 12 Physics notes Chapter 1 Electric Charges and Field is prepared by our experts as per the latest syllabus and exam pattern Class 12 Physics. Derivation of formulas is given in very simple ways after consulting from various books and expert teachers. Also don’t forget to download Class 12 Notes of other Subjects like Chemistry, Mathematics Formulas sheets, Biology. Along with Notes, we are also providing Online Quizzes for each Chapters of class 12 Physics and other subjects. Online Quizzes are given topic wise and contains MCQs with timer to attempt the quizzes. After reading the Class 12 Physics Notes of Chapter 3 Current Electricity, students can revise the whole Chapter in Our Online quizzes.

Syllabus Covered

CBSE Class 12 Physics Notes of Chapter 3 Current Electricity

Electric current, flow of electric charges in a metallic conductor, drift velocity, mobility and their relation with electric current; Ohm’s law, electrical resistance, V-I characteristics (linear and non-linear), electrical energy and power, electrical resistivity and conductivity. Carbon resistors, colour code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance.

Internal resistance of a cell, potential difference and emf of a cell,combination of cells in series and in parallel. Kirchhoff’s laws and simple applications. Wheatstone bridge, metre bridge.

Potentiometer – principle and its applications to measure potential difference and for comparing emf of two cells; measurement of internal resistance of a cell.