1. PHYS 270 – SUPPL. #8 DENNIS PAPADOPOULOS FEBRUARY 19, 2010 1

3. Inductors - Inductance Define the Self Inductance L as the proportionality constant in Units ?

5. CALCULATION OF INDUCTANCE OF A SOLENOID

7. Inductance of a solenoid The inductance of a solenoid having N turns, length l and cross-section area A is T-m 2 /A =Henry =H Depends only on geometry

12. ENERGY STORAGE IN INDUCTOR WHERE? WHY? Follow eqs. 34.39 to 34.42 of the book

13. The potential difference across an inductor The potential difference across an inductor with an inductance of L and carrying a current I is

26. LC CIRCUIT

30. ENERGY STORAGE OSCILLATION

31. The current in an LC circuit The current in an LC circuit where the initial charge on the capacitor is Q 0 is The oscillation frequency is given by

38. INDUCTOR VOLTAGE

39. EXAMPLE 34.12 The length of an inductor QUESTION:

41. EXAMPLE 34.13 Large voltage across an inductor QUESTION:

42. EXAMPLE 34.13 Large voltage across an inductor

43. LC CIRCUIT

44. ENERGY STORAGE OSCILLATION

45. The current in an LC circuit The current in an LC circuit where the initial charge on the capacitor is Q 0 is The oscillation frequency is given by

46. EXAMPLE 34.12 The length of an inductor QUESTION:

48. EXAMPLE 34.13 Large voltage across an inductor QUESTION:

49. EXAMPLE 34.13 Large voltage across an inductor