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angelinararr5783
09.09.2019 •
Physics
Adisk with a radius of r is oriented with its normal unit vector at an angle θ with respect to a uniform electric field. which of the following represent the electric flux through the disk?
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Ответ:
The electric flux through the disk are
E(πR²)sinϕ E(πR²)cosθExplanation:
Electric Force is Calculated by:
Electric flux = E * A cosθ
where
E is the magnitude of the electric field
A represent area of the disk
and θ is the angle between the electric field lines and the normal (perpendicular) to A
Area, A = πR²
So, Electric flux = E(πR²) cosθ
Also, note that the cosine of an angle can be written as sine of its complementary angle.
Assuming θ + ϕ = 180
Then, cosθ = sinϕ
So, Electric flux = E(πR²) cosθ can be written as
Electric flux = E(πR²) sinϕ
Ответ:
3x10-7C
Explanation: Use Coulombs Law. Find q2 and derive the equation. Make sure to convert micro to decimals for accurate results
Explanation: