A charge of 1.0 x 10 -5 Coulombs experience force of 40N at a certain
PHYSICS
WAEC 1990
A charge of 1.0 x 10-5 Coulombs experience force of 40N at a certain point in space. What is the electric field intensity?
- A. 8.00 x 106NC-1
- B. 4.00 x 106NC-1
- C. 4.00 x 10-4NC-1
- D. 2.00 x 10-4NC-1
Correct Answer: B. 4.00 x 106NC-1
Explanation
F = qE; E = F/q = 40/(1.0 x 10-5) = 4.0 x 106
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