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A point charge of 1.0 x 10-7 C experiences force of 0.01 N in a...

Physics
WAEC 1993
A point charge of 1.0 x 10-7 C experiences force of 0.01 N in a uniform electric field. Calculate the magnitude of the strength of the field
  • A. 106 Vm-1
  • B. 105 Vm-1
  • C. 10-5 Vm-1
  • D. 102 Vm-1
  • E. 109 Vm-1
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Correct Answer: Option B
Explanation
F = qE
E =
F/q
=
0.01/1.0 x 10-7
= 105Vm-1
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