What is the magnitude of a point charge chosen so that the electric field 50 cm away has magnitude 2N/C ?
Vishu Dhebe , 7 Years ago
Grade 11
Electrostatics> What is the magnitude of a point charge c...
1 Answers
Arun
Last Activity: 7 Years ago
k = 9 * 10 ^ 9
r = 0.5 m
E = K q/r^2 = 2 N/c
q = E * r ^ 2 / k
= 2 * 0.25 / 9* 10^9 C
r = 0.5 m
E = K q/r^2 = 2 N/c
q = E * r ^ 2 / k
= 2 * 0.25 / 9* 10^9 C
= 0.5 * 10^-9 /9
= 5.5 * 10^-11 c
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