* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Physics - Agra Public School
Electrochemistry wikipedia , lookup
Maxwell's equations wikipedia , lookup
Electrical resistivity and conductivity wikipedia , lookup
Faraday paradox wikipedia , lookup
Chemical potential wikipedia , lookup
History of electromagnetic theory wikipedia , lookup
History of electrochemistry wikipedia , lookup
Electric machine wikipedia , lookup
Static electricity wikipedia , lookup
Electromagnetism wikipedia , lookup
Electrocommunication wikipedia , lookup
Electrical injury wikipedia , lookup
Potential energy wikipedia , lookup
Electric charge wikipedia , lookup
Electric current wikipedia , lookup
Lorentz force wikipedia , lookup
Electroactive polymers wikipedia , lookup
Electric dipole moment wikipedia , lookup
Electromagnetic field wikipedia , lookup
Electromotive force wikipedia , lookup
Page 1 of 2 AGRA PUBLIC SCHOOL, ARTONI, AGRA ASSIGNMENT (2014-15) SUBJECT : PHYSICS CLASS-XII ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Q1. Q2. Q3. Q4. Q5. Q6. Q7. Q8. Explain concept of quantization of changes Explain vector form of colamn’s law. Find the expression for electric field due to dipole in following condition (i) Axial (ii) Non axial (iii) General Find the amount of work done in rotating dipole in a uniform field E at an angle Q Find the expression for Torque genera lid due to dipole in a uniform field E keeping at an angle Q. Find the expression for potential due to point change. Relats electric field to electric potential. Find the not electric field as well as net potential at point o Q 4q O 2q Q9. Eo=? a 3q Find the amount of work done required to rotate the charges from their position to next position. A q B 2q Q10. Q11. Q12. Q13. Q14. Q15. Q16. Q17. Q18. Q19. Q20. Vo=? C 3q Find the magnitude as well as direction of electric field when the potential is expressed by the following Q V= 3x2yz3 At a point (1,2,3) Find the expression for electric field due to long infinity wire having change density λ at a distance [r]. Two sphere have having changes q1 and q2 are taken and keeping at a smaller distance. A charge dq is drawn from first & to transfer to 2nd. Find the amount dq so that max. Force acting b/w. Define electric potential Find the expression for electric potential energy. Find the dimensional formula for Co Explain the property of electric field lines. Coulamb force is centralized force prove it. Define following (i) Linear change density (ii) Surface change density (iii) Volumetric change density Two charges 4 Q & 5Q are keeping at a distance of 9m. find the work done in closing the change 2m towards 4q Two sphere having same charge is keeping at a distance r metre. A third uncharged sphere is touched with A & than B. and finally remove. Find the force acting b/w the sphere have now. Q21. q Find the net force acting on charge q. triangle is equilateral 2q 2l 3q P.T.O Page 2 of 2 Q22. Q23. Q24. Q25. Define following 1. Electric potential 2. Potential diff. 3. Potential Energy. 27000 smaller drops are keeping to merge a single bigger drop. Find the amount of work in this process if charge on each smaller drop is q. q 4q 16m find the location of third charge when should if kept so that he system will be in equlibrium. Find net electric potential at the centre of Hexagon 4q 2q 2q 3q q 2q a Q26. Q27. Q28. Q29. Q30. Q31. Q32. Q33. Q34. Q35. Find the mass of a body which is balanced by field of 10 v/m having charge 2e. Explain property of electric field lines. Find the effective capacitance if three capacitor of different capacitance is connecting in (a) Series (b) Parallel Find the capacitance of parallel plate capacitor. Find capacitance of spherical capacitor Find capacitance of concentric spherical capacitor How much energy is stare in a capacitor. Define energy density. Find expression for energy density of a capacitor What will be effect on capacitance of capacitor while dielectric material is inserted. Find effective capacitance c c A c c c c Q36. Q37. Q38. Q39. Q40. B Find loss in energy when two capacitor of different capacitance are connected by a wire. Define dielectric Find electric field at a point (2,1,3) if V is expressed V = 2x2y+3y2z2x+9x2y One body has 3 excess electron while another has 4 lacking of electron keeping at a separation of 20m find the force acting b/w them. Define electric potential energy also find the expression for P.E. ******