Practice Applications Of Gauss's Law (1.14) - ELECTRIC CHARGES AND FIELDS

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6 sample questions

Question 1.
What is electric flux?
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Think about the definition involving area and electric field.
Question 2.
State Gauss's law.
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Consider what relates flux to charge.
3Question 3.
What does Gauss's law relate?
- Electric field to voltage
- Electric flux to enclosed charge
- Field lines to charge pieces
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Think about flux through closed surfaces.
4Question 4.
True or False: The electric field within a uniformly charged thin spherical shell is zero.
- True
- False
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Remember what happens in symmetrical configurations.
Question 5.
A long, straight wire carries a current and maintains a linear charge density of 6.0 μC/m. Find the electric field at a point 15 cm from the wire.
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Substitute the values in the formula directly.
Question 6.
A uniformly charged disk has a surface charge density of 5 μC/m². Calculate the electric field at points (1) just above the disk's surface and (2) at a point far away from the disk.
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Use the respective formulas for different distances—directly substitute charge density.

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