4.1: Current electricity
4.1.1: Concept of electric current
4.1.2: Concept of electric potential, potential difference
4.1.3: Ohm's law
4.1.4: Concept of Resistance and Resistivity
4.1.5: Factors on which the resistance of a conductor depends
4.1.6: Series and parallel combination of resistors and its applications in daily life
4.1.7: Heating effect of electric current and its applications in daily life
4.1.8: Electric power
4.1.9: Interrelation between P, V, I and R
4.2: Magnetic effects of current
4.2.1: Concept of Magnetic field and field lines
4.2.2: Magnetic field due to a current carrying conductor
4.2.3: Magnetic field due to current carrying coil or solenoid
4.2.4: Force on current carrying conductor
4.2.5: Fleming's Left Hand Rule
4.2.6: Introduction of electric motor
4.2.7: Electromagnetic induction
4.2.8: Concept of Induced potential difference and Induced current
4.2.9: Fleming's Right Hand Rule
4.2.10: Electric Generator (its principle and working)
4.2.11: Concept of Direct current and Alternating current(AC)
4.2.12: Frequency of AC
4.2.13: Advantage of AC over DC
4.2.14: Domestic electric circuits