Archan Kumar Das

Class IX Concept of Fluid Pressure by Archan Kumar Das

Archan Kumar Das

Current Electricity Resistivity and Conductivity by Archan Kumar Das

Archan Kumar Das

Class X Current Electricity Resistivity & conductivity by Archan Kumar Das

Archan Kumar Das

Class X Current Electricity Ohm's Law, EMF and Internal Resistance by Archan Kr Das

Archan Kumar Das

Class X Current Electricity EMF and Cell as a source of EMF by Archan Kr. Das

Archan Kumar Das

Class X Current Electricity Electric Potential, Potential Difference

Archan Kumar Das

Class X Current Electricity Concept of charge, Coulomb's Law, Unit of Charge

Archan Kumar Das