BY Team Aakash Byju's
Current Electricity: CBSE Class 12 Physics Chapter-3: Notes
Some of the notes on essential topics discussed in Current Electricity are listed here:
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Electric current - Definition, equation and why current is a scalar quantity.
Know what current carriers the definition of drift velocity and its equation.
vd= Drift velocity
I= Current flow
n= Free electron density
e= Charge of an electron
A= Cross sectional area
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Another important concept is Ohm’s law segment and its derivation.
Glance over electric resistance, current density, conductance & electric conductivity.
Memorise color codes for carbon resistors and the different combinations of resistors
A thorough study is needed for topics like cell, electric current, Kirchhoff’s law and the heating effect of current.
Include these - Electrical power, electrical energy, and consumption of electricity.
Glance through electrical conducting materials for specific use and superconductivity.
Do not miss any minor details on the above mentioned topics to have a better revision plan for the chapter Current Electricity.
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