JEE

Yes, if one study from the moving charges and magnetism NCERT PDF given here they save a lot of time. They must practice all short answers questions and multiple choice questions to quickly cover all the topics of the chapter and improve their understanding of key concepts. The PDF is excellent for revision and it contains various application-based and conceptual questions with solutions. It reinforces the concepts, important formulas, and problem-solving techniques, making it ideal material for quick revision. After solving these questions thoroughly, the students will able to avoid the common mistakes related to chapter and there will be no confusion left on topics.

It is advisable that students first start with the NCERT textbook to understand the concepts and then practice the NCERT exemplars to master the concepts and understand where and how to use the concepts and formulas for solving various kinds of problems. As the exemplar includes all type of questions from short answer questions to MCQs. These helps in better concept clarity and especially MCQ questions help students to be ready for various entrance exams.
Practicing from exemplar increases your chance to score high in the exams. However, it is advisable to also practice additional numerical problems to tackle advanced-level questions and refer to popular reference books.