

In the Class 7 NCERT Science book “Science”, the chapter “Electric Current and Its Effects” helps you understand how electric current produces heat and magnetic effects. You learn about the heating effect of electric current and how devices like electric heaters and bulbs work.
As you explore this chapter, you discover the role of electric fuses in protecting circuits from overloading and short circuits. You also study the magnetic effect of electric current and understand how electromagnets are used in devices such as electric bells.
This chapter encourages you to observe electrical devices around you and understand how they function safely. Through diagrams and examples, you develop scientific thinking and practical knowledge about the effects of electric current in daily life.