SUBJECT : PHYSICS - SSA Punjab

Unit IIIMagnetic Effects of Current and Magnetism1 mark questions1. State Biot Savart’s law.2. State Fleming right hand thumb rule.3. State Ampere’s circuital law.4. State Ampere swimming rule.5. What is magnetic Lorentz force?6. Under what condition magnetic Lorentz force is maximum andminimum?7. What is the force experienced by a stationary charge in magnetic field?8. Can neutrons be accelerated in a cyclotron?9. What is meant cyclotron frequency?10. State Fleming’s left hand rule.11. Give the principle of moving coil galvanometer.12. What is nature of magnetic field in a moving coil galvanometer?13. Define current sensitivity of a moving coil galvanometer?14. Define voltage sensitivity of a moving coil galvanometer?15. What is shunt?16. What are uses of shunt?17. How is ammeter connected in an electric circuit?18. How is voltmeter connected in an electric circuit?19. What is the resistance of an ideal ammeter and voltmeter?20. Give the principle of a d.c. motor.21. What is nature of force, when two parallel conductors carry current in (i)same direction, (ii) opposite direction?22. What do you mean by directive property of a magnetic dipole?23. Does an isolated magnetic pole exist like an isolate charge?24. Define magnetic dipole moment.25. What is SI unit of magnetic dipole moment?26. What is geographic meridian?27. What is magnetic meridian?28. Write the names of parameters of earth magnetic field.29. Define dip.30. Define declination.31. Define Bohr magneton.38