48. From µ = N iA = iπr
2
we get
i =
µ
πr
2
=
8.00
× 10
22
J/T
π(3500
× 10
3
m)
2
= 2.08
× 10
9
A .
 
Document Outline
- Main Menu
 
- Chapter 1 Measurement
 
- Chapter 2 Motion Along a Straight Line
 
- Chapter 3 Vectors
 
- Chapter 4 Motion in Two and Three Dimensions
 
- Chapter 5 Force and Motion I
 
- Chapter 6 Force and Motion II
 
- Chapter 7 Kinetic Energy and Work
 
- Chapter 8 Potential Energy and Conservation of Energy
 
- Chapter 9 Systems of Particles
 
- Chapter 10 Collisions
 
- Chapter 11 Rotation
 
- Chapter 12 Rolling, Torque, and Angular Momentum
 
- Chapter 13 Equilibrium and Elasticity
 
- Chapter 14 Gravitation
 
- Chapter 15 Fluids
 
- Chapter 16 Oscillations
 
- Chapter 17 Waves—I
 
- Chapter 18 Waves—II
 
- Chapter 19 Temperature, Heat, and the First Law of Thermodynamics
 
- Chapter 20 The Kinetic Theory of Gases
 
- Chapter 21 Entropy and the Second Law of Thermodynamics
 
- Chapter 22 Electric Charge
 
- Chapter 23 Electric Fields
 
- Chapter 24 Gauss’ Law
 
- Chapter 25 Electric Potential
 
- Chapter 26 Capacitance
 
- Chapter 27 Current and Resistance
 
- Chapter 28 Circuits
 
- Chapter 29 Magnetic Fields
- 29.1 - 29.10
- 29.1
 
- 29.2
 
- 29.3
 
- 29.4
 
- 29.5
 
- 29.6
 
- 29.7
 
- 29.8
 
- 29.9
 
- 29.10
 
 
- 29.11 - 29.20
- 29.11
 
- 29.12
 
- 29.13
 
- 29.14
 
- 29.15
 
- 29.16
 
- 29.17
 
- 29.18
 
- 29.19
 
- 29.20
 
 
- 29.21 - 29.30
- 29.21
 
- 29.22
 
- 29.23
 
- 29.24
 
- 29.25
 
- 29.26
 
- 29.27
 
- 29.28
 
- 29.29
 
- 29.30
 
 
- 29.31 - 29.40
- 29.31
 
- 29.32
 
- 29.33
 
- 29.34
 
- 29.35
 
- 29.36
 
- 29.37
 
- 29.38
 
- 29.39
 
- 29.40
 
 
- 29.41 - 29.50
- 29.41
 
- 29.42
 
- 29.43
 
- 29.44
 
- 29.45
 
- 29.46
 
- 29.47
 
- 29.48
 
- 29.49
 
- 29.50
 
 
- 29.51 - 29.60
- 29.51
 
- 29.52
 
- 29.53
 
- 29.54
 
- 29.55
 
- 29.56
 
- 29.57
 
- 29.58
 
- 29.59
 
- 29.60
 
 
- 29.61 - 29.70
- 29.61
 
- 29.62
 
- 29.63
 
- 29.64
 
- 29.65
 
- 29.66
 
- 29.67
 
- 29.68
 
- 29.69
 
- 29.70
 
 
- 29.71 - 29.78
- 29.71
 
- 29.72
 
- 29.73
 
- 29.74
 
- 29.75
 
- 29.76
 
- 29.77
 
- 29.78
 
 
 
- Chapter 30 Magnetic Fields Due to Currents
 
- Chapter 31 Induction and Inductance
 
- Chapter 32 Magnetism of Matter: Maxwell’s Equation
 
- Chapter 33 Electromagnetic Oscillations and Alternating Current
 
- Chapter 34 Electromagnetic Waves
 
- Chapter 35 Images
 
- Chapter 36 Interference
 
- Chapter 37 Diffraction
 
- Chapter 38 Special Theory of Relativity
 
- Chapter 39 Photons and Matter Waves
 
- Chapter 40 More About Matter Waves
 
- Chapter 41 All About Atoms
 
- Chapter 42 Conduction of Electricity in Solids
 
- Chapter 43 Nuclear Physics
 
- Chapter 44 Energy from the Nucleus
 
- Chapter 45 Quarks, Leptons, and the Big Bang