Topics Covered (with diagram and derivation)
- Electric Currrent.
- Ohm’s Law.
- Explanation of current flowing through a Conductor.
- Expression for current through a conductor.
- Relaxation Time and Drift Velocity.
- Relation connecting Drift Velocity, Electric field and Relaxation Time.
- Mobility of Free Electrons.
- Current Density.
- Derivation of Ohm’s Law.
- Dependence of Resistance on Temperature.
- Superconductor.
- Standard Resistance.
- Combination Of Resistances.
- EMF, Internal Resistance and Terminal Voltage of a Cell.
- Combination of Cells.
- Kirchhoff’s Rule.
- Wheatstone Bridge.
- Meter Bridge/Slidewire Bridge.
- Potentiometer.
- Colour Code Resistors.
- Resistivity vs Temperature Graph.
- Electrical Energy and Power.
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