NCERT Solutions for Class 12 Physics - Param Himalaya is the best study material for students who find difficulty in answering the questions from the textbook.
Chapter–1: Electric Charges and Fields :
Chapter–2: Electrostatic Potential and Capacitance
Chapter 3: Current Electricity
Chapter 4 : Moving Charges and Magnetism
CHAPTER 5 : MAGNETISM AND MATTER
CHAPTER 6 : ELECTROMAGNETIC INDUCTION
CHAPTER 7 : ALTERNATING CURRENT
CHAPTER 8 : ELECTROMAGNETIC WAVES
CHAPTER 9 : RAY OPTICS AND OPTICAL INSTRUMENTS
CHAPTER 11 : DUAL NATURE OF RADIATION AND MATTER
CHAPTER 14 : SEMICONDUCTOR ELECTRONICS