INVESTIGATORY PROJECT FILE ON TRANSFORMER FOR CLASS12TH PRACTICAL EXAM

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IMPORTANT TOPICS FOR CLASS12 PHYSICS FOR BOARD EXAM

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IMPORTANT TOPIC FOR CLASS12TH PHYSICS CBSE BOARD EXAMINATION: Subject :  PHYSICS    By- Mamta Singh  Ch.-1 Electric flux Force and Torque on the electric dipole. Electric field on the axial and equatorial line.  Statement of Gauss-Theorem. Applications of Gauss- Theorem,all three applications of Gauss theorem especially charged spherical shell. Ch.-2 Capacitance and factor’s affecting capacitance.  Energy stored in a capacitor and its energy density( formula only). Capacitance of a parallel plate capacitor with a dielectric slab placed in between. (IMPORTANT) DRAW EQUIPOTENTIAL SURFACE TO A POINT CHARGE,LINE CHARGE,PLANE ELECTRIC FIELD AND DUE TO A ELECTRIC DIPOLE. Equi-potential surface and its properties. Relation between electric field and electric potential.  Effect on various parameters when a dielectric slab is introduced b/w the plates of parallel plate capacitor. Principe of parallel plate capacitor. Potential at any general point o...
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FREE-BODY DIAGRAM

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Free-body diagrams are diagrams that are used to show the relative magnitude and direction of all forces acting upon an object in a given situation. A diagram which shows a part of a system separately, indicating all the external forces acting on it ,is called as a free body diagram. These diagrams will be used throughout our study of physics. A free body diagram is a special example of the vector diagrams. In case of a free body diagram , a body is said to be "free" when it is singled out from other bodies for the purpose of dynamic or static study or analysis.
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Transverse nature of Electromagnetic Waves

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