MCQs Physics chapter 1 electric charges and fields
MCQs Physics chapter 1 electric charges and fields This chapter provides a comprehensive introduction to the fundamental principles of electrostatics, focusing primarily on the nature and behavior of electric charges. Through examples drawn from daily life, the author elucidates the properties of attraction and repulsion between charges and references the classification of positive and negative charges proposed by Benjamin Franklin. The text explains essential properties of charge—such as conservation, additivity, and quantization—demonstrating that charge is always an integral multiple of a specific fundamental unit. Coulomb's Law mathematically defines the force acting between two point charges, a concept subsequently extended to multi-charge systems through the Principle of Superposition. Furthermore, the text distinguishes between conductors and insulators, and describes instruments—such as the gold-leaf electroscope—used for detecting electric charge. Finally, through various...