Chapter 17 Ray Optics Part 1 (Reflection of Light) free study material by TEACHING CARE online tuition and coaching classes     When a ray of light after incidenting on a boundary separating two media comes back into the same…

Chapter 16 Electromagnetic Waves free study material by TEACHING CARE online tuition and coaching classes        Maxwell’s Contribution.   (1) Ampere’s Circuital law According to this law the line integral of magnetic field along any closed path or…

Chapter 15 Heating and chemical effect of current free study material by TEACHING CARE online tuition and coaching classes        Joules Heating. When some potential difference V is applied across a resistance R then the work done by…

Chapter 14 Magnetism and Matter free study material by TEACHING CARE online tuition and coaching classes   The molecular theory of magnetism was given by Weber and modified later by Ewing. According to this theory. Every molecule of a substance…

Chapter 13 Moving Charge and Magnetism ( Magnetic effects of Current Part 3) free study material by TEACHING CARE online tuition and coaching classes     Motion of Charged Particle in a Magnetic Field. If a particle carrying a positive…

Chapter 12 Moving Charge and Magnetism ( Magnetic effects of Current Part 2) – Physics free study material by TEACHING CARE online tuition and coaching classes     Amperes Law. Amperes law gives another method to calculate the magnetic field…

Chapter 11 Moving Charge and Magnetism ( Magnetic effects of Current Part 1) – Physics free study material by TEACHING CARE online tuition and coaching classes     Biot-Savart’s law is used to determine the magnetic field at any point…

Chapter 10 Current Electricity Part 3 – Physics free study material by TEACHING CARE online tuition and coaching classes     Example: 61       In the adjoining circuit, the battery E1 has as emf of 12 volt and zero internal resistance,…

Chapter 9 Current Electricity Part 2 – Physics free study material by TEACHING CARE online tuition and coaching classes     (iii)   Points lying on the parallel axis of symmetry can never have same potential. The network can be folded…

Chapter 8 Current Electricity Part 1 – Physics free study material by TEACHING CARE online tuition and coaching classes     Electric Current. Definition : The time rate of flow of charge through any cross-section is called So if through…