Page No 169: Question 4.1: A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at the centre of the coil? Answer: Number of turns on the circular coil, n = 100 Radius of each turn,

Page No 127: Question 3.1: The storage battery of a car has an emf of 12 V. If the internal resistance of the battery is 0.4Ω, what is the maximum current that can be drawn from the battery? Answer: Emf of the battery, E = 12 V Internal resistance of the battery, r = 0.4

Page No 87: Question 2.1: Two charges 5 × 10−8 C and −3 × 10−8 C are located 16 cm apart. At what point(s) on the line joining the two charges is the electric potential zero? Take the potential at infinity to be zero. Answer: There are two charges, Distance between the two charges, d

Page No 46: Question 1.1: What is the force between two small charged spheres having charges of 2 × 10−7 C and 3 × 10−7 C placed 30 cm apart in air? Answer: Repulsive force of magnitude 6 × 10−3 N Charge on the first sphere, q1 = 2 × 10−7 C Charge on the second

UNIT – I : OBJECT ORIENTED PROGRAMMING WITH PYTHON Chapter 1 Review of Python Download Chapter 2 Object Oriented Programming Concepts Download UNIT – II : ADVANCE PROGRAMMING WITH PYTHON Chapter 3 Lists Manipulation and Implementation Download Chapter 4 Data File Handling Chapter 5 Exception Handling & Generator Function UNIT – III

UNIT – 1 : OBJECT ORIENTED PROGRAMMING IN C++ Chapter 1 C++ Revision Tour Chapter 2 Object Oriented Programming in C++ Chapter 3 Implementation of OOP Concepts in C++ Chapter 4 Constructor and Destructor Chapter 5 Inheritance Chapter 6 Data File Handling Chapter 7 Pointers UNIT – II : DATA STRUCTURES

Chapter 1 The Cold War Era Chapter 2 The End of Bipolarity Chapter 3 US Hegemony in World Politics Chapter 4 Alternative Centres of Power Chapter 5 Contemporary South Asia Chapter 6 International Organisations Chapter 7 Security in the Contemporary World Chapter 8 Environment and Natural Resources Chapter 9

Chapter 1 Entrepreneurial Opportunity Chapter 2 Entrepreneurial Planning Chapter 3 Enterprise Marketing Chapter 4 Enterprise Growth Strategies Chapter 5 Business Arithmetic Chapter 6 Resource Mobilization

Chapter 1 The Last Lesson Chapter 2 Lost Spring Chapter 3 Deep Water Chapter 4 The Rattrap Chapter 5 Indigo Chapter 6 Poets and Pancakes Chapter 7 The Interview Chapter 8 Going Places