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icbsexiiphysics.wordpress.com 1. Electric force on dipole E parallel to p 6. Electric field lines for Isolated Point positive charge 2. Electric force on dipole E antiparallel to p 7. Electric field lines for Isolated Point negative charge 3. Electric field lines for two equal Point positive charge 4. The Gaussian surface for a long thin wire of uniform linear charge density. 8. Electric field lines for two equal Point positive charge 5. Gaussian surface for a uniformly charged infinite plane sheet. Icbsexiiphysics.wordpress.com …………………………………………………………………………………………………………………………………………………………………………………………… Some men see things as they are and ask why; I dream of things that never were and say why not?-Robert F. Kennedy icbsexiiphysics.wordpress.com 9. 13. Some equipotential surfaces for a dipole Gaussian surfaces for a point with r > R 14. 10. Some equipotential surfaces two identical positive charges Gaussian surfaces for a point r < R. 15. 11. For a single charge q equipotential surfaces are spherical surfaces centred at the charge 12. Van de Graaff generator Icbsexiiphysics.wordpress.com Equipotential surfaces for a uniform electric field Icbsexiiphysics.wordpress.com …………………………………………………………………………………………………………………………………………………………………………………………… Some men see things as they are and ask why; I dream of things that never were and say why not?-Robert F. Kennedy icbsexiiphysics.wordpress.com 1. Circuit diagram for Wheatstone bridge 5. Resistivity ρT of copper as a function of temperature T 2. A meter bridge. Wire AC is 1 m long. R is a resistance to be measured and S is a standard resistance. 6. Resistivity ρT of nichrome as a function of absolute temperature T 3. Circuit for comparing emfs of two cells 7. Temperature dependence of resistivity for a typical semiconductor 4. Circuit for determining internal resistance of a cell Icbsexiiphysics.wordpress.com Icbsexiiphysics.wordpress.com …………………………………………………………………………………………………………………………………………………………………………………………… Some men see things as they are and ask why; I dream of things that never were and say why not?-Robert F. Kennedy icbsexiiphysics.wordpress.com 1. 4. a plot of the magnitude of B with distance r from the centre of the wire. 5. A schematic sketch of the cyclotron. 2. The magnetic field of a finite solenoid 6. Magnetic field on the axis of a current carrying circular loop of radius R 3. The magnetic field of a very long solenoid. 7. A toroid carrying a current I The magnetic field lines for a current loop Icbsexiiphysics.wordpress.com …………………………………………………………………………………………………………………………………………………………………………………………… Some men see things as they are and ask why; I dream of things that never were and say why not?-Robert F. Kennedy icbsexiiphysics.wordpress.com 8. 11. A sectional view of the toroid. 9. The moving coil galvanometer 12. Two long straight parallel conductors carrying steady currents Ia and Ib and separated by a distance d. Ba is the magnetic field set up by conductor ‘a’ at conductor ‘b’ 10. Conversion of a galvanometer (G) to an ammeter by the introduction of a shunt resistance rs of very small value in parallel. 13. Conversion of a galvanometer (G) to a voltmeter by the introduction of a resistance R of large value in series 14. A rectangular current-carrying coil in uniform magnetic field. The magnetic moment m points downwards. The torque is along the axis and tends to rotate the coil anticlockwise Icbsexiiphysics.wordpress.com The field lines of a bar magnet …………………………………………………………………………………………………………………………………………………………………………………………… Some men see things as they are and ask why; I dream of things that never were and say why not?-Robert F. Kennedy icbsexiiphysics.wordpress.com 15. A current-carrying finite solenoid 16. The earth’s magnetic field, BE, its horizontal and vertical components, HE and ZE. Also shown are the declination, D and the inclination or angle of dip, I. 17. Behaviour of magnetic field lines near a diamagnetic 18. Icbsexiiphysics.wordpress.com Behaviour of magnetic field lines near a paramagnetic …………………………………………………………………………………………………………………………………………………………………………………………… Some men see things as they are and ask why; I dream of things that never were and say why not?-Robert F. Kennedy icbsexiiphysics.wordpress.com 1. (iv)Power Consider the situation when the arm PQ is pulled outwards from x = 0 to x = 2b,and is then moved back to x = 0 with constant speed v. 2. (i) Flux (ii) Induced emf AC Generator 3. (iii)Force An alternating emf is generated by a loop of wire rotating in a magnetic field. Icbsexiiphysics.wordpress.com …………………………………………………………………………………………………………………………………………………………………………………………… Some men see things as they are and ask why; I dream of things that never were and say why not?-Robert F. Kennedy icbsexiiphysics.wordpress.com 4. AC VOLTAGE APPLIED TO A RESISTOR 6. AC VOLTAGE APPLIED TO A CAPACITOR (a) A phasor diagram for the circuit in Fig. (b) Graph of v and i versus ωt. 5. AC VOLTAGE APPLIED TO AN INDUCTOR (a)A Phasor diagram for the circuit in Fig. (b) Graph of v and i versus ωt. 7. AC VOLTAGE APPLIED TO A SERIES LCR CIRCUIT (a) A Phasor diagram for the circuit in Fig. (b) Graph of v and i versus ωt. (a) Relation between the phasors VL, VR, VC, and I, (b) Relation between the phasors VL, VR, and (VL + VC) for the circuit in Fig. Icbsexiiphysics.wordpress.com …………………………………………………………………………………………………………………………………………………………………………………………… Some men see things as they are and ask why; I dream of things that never were and say why not?-Robert F. Kennedy icbsexiiphysics.wordpress.com Icbsexiiphysics.wordpress.com Impedance Diagram 8. (a) Phasor diagram of V and I. (b) Graphs of v and i versus ω t for a series LCRcircuit where XC > XL. 9. Two arrangements for winding of primary and secondary coil in a transformer: (a) two coils on top of each other, (b) two coils on separate limbs of the core. 1. Transverse nature of light A linearly polarised electromagnetic wave, propagating in the zdirection with the oscillating electric field E along the x-direction and the oscillating magnetic field B along the y-direction. …………………………………………………………………………………………………………………………………………………………………………………………… Some men see things as they are and ask why; I dream of things that never were and say why not?-Robert F. Kennedy