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What is the electric field at a point just outside a charged conductor?
What is the electric field at a point just outside a charged conductor?
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Practice Questions
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Q1
What is the electric field at a point just outside a charged conductor?
0
σ/ε₀
σ/2ε₀
σ/4ε₀
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The electric field just outside a charged conductor is given by E = σ/ε₀, where σ is the surface charge density.
Questions & Step-by-step Solutions
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Q
Q: What is the electric field at a point just outside a charged conductor?
Solution:
The electric field just outside a charged conductor is given by E = σ/ε₀, where σ is the surface charge density.
Steps: 5
Show Steps
Step 1: Understand that a charged conductor has excess charge distributed on its surface.
Step 2: Know that the electric field (E) is a measure of the force that a charge would feel in the vicinity of other charges.
Step 3: Recognize that the surface charge density (σ) is the amount of charge per unit area on the surface of the conductor.
Step 4: Learn the formula for the electric field just outside a charged conductor, which is E = σ/ε₀.
Step 5: Understand that ε₀ (epsilon naught) is a constant called the permittivity of free space, which helps relate charge and electric field.
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