Class 10 Electricity Ncert: Solutions
For Class 10 students, the chapter on in the NCERT Science textbook is often the first real encounter with the physics of the modern world. It is a pivotal chapter that bridges the gap between abstract formulas and the lights, fans, and gadgets students use every day. As the Board Exams approach, mastering the NCERT solutions for this chapter becomes essential for securing top marks in the Science stream.
(a) 100 W (b) 75 W (c) 50 W (d) 25 W Answer: Resistance ( R = V^2 / P = 220^2 / 100 = 484 , \Omega ) At 110 V: ( P = V^2 / R = 110^2 / 484 = 25 , \textW ) → (d) class 10 electricity ncert solutions