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What is the magnitude of the electric field at a distance 60 cm from the center of the sphere? The radius of the sphere 30 cm, the charge on
Question
What is the magnitude of the electric field at a distance 60 cm from the center of the sphere? The radius of the sphere 30 cm, the charge on the sphere is 1.56 × 10−5 C and the permittivity of a vacuum is 8.8542 × 10−12 C 2 /N · m2 . Answer in units of N/C.
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Physics
1 year
2021-09-04T12:57:21+00:00
2021-09-04T12:57:21+00:00 2 Answers
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Answers ( )
Explanation:
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Answer
[tex]3.9*10^{5}N/C[/tex]
Explanation:
from the expression for determing the magnetic field strength
[tex]E=\frac{q}{4\pi e_{0}d^2 }\\[/tex]
since the charge is given as
[tex]q=1.56*10^{-5}c\\[/tex]
and the distance is
d=60cm=0.6m
We can calculate the constant k
[tex]K=\frac{1}{4\pi e_{0}}\\ K=\frac{1}{4\pi *8.8542*10^{-12}}\\k=8.98*10^{9}\\[/tex]
if we substitute values, we arrive at
[tex]E=\frac{8.98*10^9 *1.56*10^{-5}}{0.6^2} \\E=389133.33\\E=3.9*10^{5}N/C[/tex]