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Show Topics
Topics
Introduction
Electric Current
Electronic current & Conventional current
ElectroMotive force
Current as a scalar
Direct current
Alternating Current
Solids as Current carriers
Liquids as Current carriers
Gases as Current carriers
Electric current in Conductors
Expression for electrons Drift Velocity
Ohms Law
Resistance
Expression for resistance
Resistivity
Current density
Resistors
Combination of Resistors
Cells, Internal resistance, Emf
Cells in Series
Cells in Parallel
Kirchhoffs First law
Kirchhoffs Second law
Wheatstone bridge
Meter Bridge
Potentiometer
Class 12 Physics Current Electricity
Introduction
Introduction
We are going to learn about how the charges which are in motion constitute the current, to study how current is used in our daily life.
For example: -
Glowing of bulb by switching on and off the switch.
All the electrical appliances work when the current passes through them.
Washing machines, iron box,battery,TV,laptop and so on.
In this chapter we will be able to give answers for the following questions :-
How electric current is produced by the movement of charges?
What are the different properties of current?
What constitutes the electric current?
What are the different laws which govern the electric currents?
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