Electricity Basics.txt

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Author:
kariefury
ID:
27798
Filename:
Electricity Basics.txt
Updated:
2010-07-23 22:13:18
Tags:
Physics Electricity
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Description:
The Basics of Electricity. Units and Charges.
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  1. What is the value of "k"?
    9 x 109 Nm2/C2
  2. What is the law of electrostatics?
    Opposites attract
  3. What is the name of the mobile charge?
    Electron
  4. What is the name of the positive charge?
    Proton
  5. What is the mass of an electron?
    9.11 × 10-31 kg
  6. What are the three ways to charge an object?
    Friction, Induction or Conduction
  7. What is Flux equal to?
    • Φ = ∫ E dA = Q / ε
    • Φ = integral E dA = Charge/epsilon
    • Φ = EA cos(x)
  8. What is the surface area of a sphere?
    4 π r2
  9. What is λ lambada Charge Density?
    Linear: Charge / length
  10. What is ρ Rho Charge Density?
    3D: Charge / Volume
  11. What is σ Sigma Charge Density?
    2D: Charge / Area
  12. What does Coloumb's Law state?
    F = kQ1Q2 / r2
  13. What is Gausses Law?
    Φ = ∫ E dA = Q / ε
  14. What is the unit of Electric Field?
    N/C
  15. What is the unit of flux?
    Nm2/C
  16. What is the unit for 'k'?
    Nm2/C2
  17. What is the unit for ε Epsilon?
    C2/Nm2
  18. What is the symbol & unit for electrostatic potential?
    V, Volts
  19. What is the value of ε epsilon?
    8.85 x 10-12 C2 / Nm2

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