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PHYSICS

JAMB 2005 - Question 17

Physics 2005 JAMB Past Questions - Question 17: the electric field intensity in a place where a charge of 10^10 experience a 0.4n is

Choose the correct answers from the options given.

the electric field intensity in a place where a charge of 10^10 experience a 0.4n is

A: 4.0x10^-5NC-¹

B: 8.0 x 10^9 NC-¹

C: 4.0 x 10^9NC~¹

D: 8.0X109NC-¹

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Correct Answer

Explanation

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 109 NC-1