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rleiphart1
27.06.2019 •
Physics
Atest charge is placed at a distance of 2.5 × 10-2 meters from a charge of 6.4 × 10-5 coulombs. what is the electric field at the test charge? (k = 9.0 × 109 newton·meter2/coulomb2) a. 1.6 × 10-8 newtons/ coulomb b. 2.4 × 108 newtons/ coulomb c. 3.6 × 108 newtons/coulomb d. 4.2 × 108 newtons/coulomb e. 9.2 × 108 newtons/coulomb
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Ответ:
The correct answer option is E. 9.2 × 108 newtons/coulomb.
Explanation:
We know the formula for the electric field:
E = kQ / d²
where E = electric field,
Q = the test charge in coulomb; and
d = distance.
Substituting the given values in the above formula to get:
Therefore, the electric field at the test charge is 9.2 * 10^8 Newtons/Coulomb.
Ответ: