Ocean classes basics of electrostatic part 1
Created on 15th July 2025
Grade level: Grade 12th grade
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10 Questions
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Questions (10)
1. What is the unit of electric charge?
Coulomb
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2. Which formula represents the electric field (E) due to a point charge (Q) at a distance (r)?
E = Q / (4πε₀r^2)
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3. What is the relationship between electric potential (V) and electric field (E)?
V = E * d
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4. What is the potential gradient?
The rate of change of electric potential per unit distance
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5. In a capacitor, what does the capacitance (C) depend on?
The charge stored and the voltage across it
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6. According to Gauss's Law, what does the electric flux through a closed surface depend on?
The charge enclosed within the surface
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7. If two capacitors of capacitance C1 and C2 are connected in series, what is the equivalent capacitance (C_eq)?
1/C_eq = 1/C1 + 1/C2
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8. What happens to the total capacitance when capacitors are connected in parallel?
It increases
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9. What is the electric potential energy stored in a capacitor?
U = 1/2 C V^2
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10. In a uniform electric field, how does the potential change with distance?
Linearly
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