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Electric potential: Quiz


Question 1: ________ explores the concepts such as force, energy, potential etc.
Continuum mechanicsGeneral relativityClassical mechanicsInertia

Question 2: Variants of the ________ included a number of different units for electric potential, including the abvolt and the statvolt.
Centimetre gram second system of unitsStoney scale unitsSystems of measurementPlanck units

Question 3: Two such forces are the gravitational force (________) and the electric force in the absence of time-varying magnetic fields.
General relativityEquivalence principleIntroduction to general relativityGravitation

Question 4: In ________, the electric potential (denoted by φ, φE or V; also called the electrostatic potential) at a point in space is electrical potential energy divided by charge that is associated with a static (time-invariant) electric field.
Liénard–Wiechert potentialClassical electromagnetismElectromagnetic radiationMaxwell's equations

Question 5: The electric potential and the magnetic vector potential together form a four vector, so that the two kinds of potential are mixed under ________.
Lorentz transformationLuminiferous aetherMaxwell's equationsSpecial relativity

Question 6: There is also a generalized electric scalar potential that is used in ________ when time-varying electromagnetic fields are present.
Electromagnetic radiationMaxwell's equationsClassical electromagnetismElectromagnetism

Question 7: Note that this definition of φ depends on the gauge choice for the vector potential A (the ________ of any scalar field can be added to A without changing B).
GradientDerivativeDivergenceCurl (mathematics)

Question 8: This force has the same direction as the ________, and its magnitude is given by the size of the charge multiplied with the magnitude of the electric field.
Lorentz forceMaxwell's equationsElectric fieldMagnetic field

Question 9: The SI unit of electric potential is the volt (in honor of ________).
Georg OhmWilliam Thomson, 1st Baron KelvinMichael FaradayAlessandro Volta

Question 10: The electric potential at a point r in a static electric field E is given by the ________
CalculusLine integralContinuous functionDerivative


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