Electric Potential and Potential Difference
Physics ⇒ Electricity and Magnetism
Electric Potential and Potential Difference starts at 10 and continues till grade 12.
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See sample questions for grade 11
A 2 μC charge is moved from a point at 10 V to a point at 30 V. What is the change in potential energy?
A 5 V battery is connected across a resistor. What is the potential difference across the resistor?
A 9 V battery is used to move 0.5 C of charge. How much energy is supplied by the battery?
A charge of 3 C is moved through a potential difference of 12 V. How much work is done?
A point charge of +2 μC is placed at a point in space. What is the electric potential at a distance of 0.5 m from the charge? (Take k = 9 × 109 N·m2/C2)
A uniform electric field of 500 N/C exists between two points A and B separated by 0.2 m. What is the potential difference VAB?
Describe the difference between electric potential and electric potential energy.
Describe what is meant by the term 'potential difference'.
Explain why no work is done in moving a charge along an equipotential surface.
Explain why the electric potential decreases in the direction of the electric field.
Explain why the potential inside a conductor is constant in electrostatic equilibrium.
If 10 J of work is required to move 2 C of charge from point A to point B, what is the potential difference between A and B?
If the electric field between two parallel plates is 2000 V/m and the plates are 0.01 m apart, what is the potential difference between the plates?
If the electric potential at a point is negative, what does this indicate about the work done in bringing a positive test charge from infinity to that point?
If the potential at point A is 120 V and at point B is 80 V, what is the potential difference VAB?
State the relationship between electric field (E) and electric potential (V) in terms of calculus.
The potential at a point due to a point charge is 100 V. If the distance from the charge is doubled, what will be the new potential?
