NAME ELECTROMAGNETIC INDUCTION-LENZ\'S LAW SECTION PAGE 4 4 What are the results
ID: 1791607 • Letter: N
Question
NAME ELECTROMAGNETIC INDUCTION-LENZ'S LAW SECTION PAGE 4 4 What are the results of moving the solenoid with the magnet stationary? PHYSICS EXPERIMENT 37-1 5. what do you assume is the relative magnetic field strength of two bar magnets, with like poles held together, compared to a single magnet? 6. How is the maximum current magnitude effected by increasing the magne- tic field strength? 7. How is the maximum current magnitude effected by increasing the num ber of turns of wire on the coll? PARTI Induction Using Primary and Secondary Colls 8. what conditions in the primary circuit result in the induction of current in the secondary circuit? 9. what is the maximum constant current in the primary circuit? 10. is current induced in the secondary cotl when there is a constant current in the primary circuit? 11. What is the current in the primary before the switch is cl 12. How does the current in the primary coll change just after the switch is closed? 13. what do you assume happens to the magnetic field of the primary coil just after the switch is closed? osed? 14 Describe the changes that occur in the primary circuit when the switch is opened. 15. What is the effect of reversing the direction of the current in the primary circult on the direction of the induced current in the secondary circult?Explanation / Answer
4.
as the solenoid is moved relative to stationary magnet , the magnetic flux linked with the solenoid change and hence it induces a current to oppose the change in it magnetic flux by producing its own magnetic field to oppose the change in its magnetic flux
6.
current directly depends on the magnetic field strength
7. current directly depends on the number of turns
10 No current is induced , since there is no change in the magnetic flux of secondary coil when the current is constant in primary coil
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