Question on: JAMB Physics - 2005
The electric field intensity in a place where a charge of 10-10c experiences a force of 0.4N is?
A
4.0 x 107 NC-1
B
8.0 x 109 NC-1
C
8.O x 10-12 NC-1
D
4.0 x 109 NC-1
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Correct Option: D
The electric force experienced in an electric field of intensity E is given by:
F = qE: where q = the test charge.
E = F/Q = 0.4/10-10 = 0.4 X 10-10
= 4.0 X 10<sup>9</sup> NC<sup>-1</sup>
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