APFIVE Electric Field from Flux Through a Cube
A uniform electric field is directed perpendicularly outward from each face of a closed cube with a side length of 10 cm. If the total electric flux through the cube is 300 N·m²/C, what is the magnitude of the electric field?
A
$$5.0 \times 10^{3}\ \text{N/C}$$
B
$$1.0 \times 10^{5}\ \text{N/C}$$
C
$$3.0 \times 10^{4}\ \text{N/C}$$
D
$$2.5 \times 10^{4}\ \text{N/C}$$
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