NCERT Exercise 1.15 - Electric Charges and Fields
Question: What is the net flux of the uniform electric field of Exercise 1.14 through a cube of side 20 cm oriented so that its faces are parallel to the coordinate planes?
Answer: The net electric flux through the cube = **0 N·m²/C**. This is because the cube encloses no charge (it is in a uniform field with no free charges inside), so by Gauss's Law Φ = q_enclosed/ε₀ = 0. A...
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