The electric field strength 0.1 m from a point charge of 1 10^-9 C in free space is:

  1. 449 N/C
  2. 899 N/C
  3. 89.9 N/C
  4. 1800 N/C
Answer

B) 899 N/C

E = kQr^2 = 8.99 10^9 1 10^-9(0.1)^2 = 899 N/C. SLO P-11-E-08 · Application

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