The electric field strength 0.3 m from a point charge of 2 10^-6 C in free space is:

  1. 2 10^5 N/C
  2. 99,900 N/C
  3. 59,900 N/C
  4. 4 10^5 N/C
Answer

A) 2 10^5 N/C

E = kQr^2 = 8.99 10^9 2 10^-6(0.3)^2 = 2 10^5 N/C. SLO P-11-E-08 · Application

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