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