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Coulomb law

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  • What is direction proportion in coulomb law
    force and Q
  • The similar law of coulomb law
    Newton law F = Q m1m2 / r2
  • Q1=Q2 =1C , r= 1m , F= ?
    F= 9 x 109 N
  • A positive charge exerts a force of repulsion of 7.2 N. What is the sign of another charge
    Negative ( -)
  • The unit oF "Q"
    coulomb (C)
  • What is the K
    K is vacuum or medium
  • The constatnt of the coulomb law
    K (or) 1/4π∈₀,
  • The values of K
    K = 9 × 10⁹ Nm²C⁻²
  • The formual of Coulomd law
    F = k \frac{q_1q_2}{r^2}
  • The another name of Coulombs law
    inverse square law
  • The unit of K
    Newton meter square per coulomb square (N ⋅ m 2 /C 2.)
  • Tell the 3 inverse square law
    coulomb law , newton law ,Intensity of wave
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