# Lorentz force: Quiz

Question 1: For example, see magnetohydrodynamics, fluid dynamics, ________, superconductivity, stellar evolution.
MicrofluidicsElectrohydrodynamicsDielectricElectric motor

Question 2: (This is Faraday's law of induction, see above.) Einstein's ________ was partially motivated by the desire to better understand this link between the two effects.
General relativityMaxwell's equationsSpecial relativityCovariant formulation of classical electromagnetism

Question 3: When a conductor is moved through a magnetic field, the magnetic force tries to push ________ through the wire, and this creates the EMF.
ElectronAtomPositronPhoton

Question 4: ________ and other circular path particle accelerators
CyclotronSynchrotronBeamlineMicrowave

Question 5: The magnetic force (q v × B) component of the Lorentz force is responsible for motional electromotive force (or motional EMF), the phenomenon underlying many ________.
Linear motorElectrical generatorElectric motorBrush (electric)

Question 6: The magnetic force component of the Lorentz force manifests itself as the force that acts on a current-carrying wire in a ________.
Magnetic momentMaxwell's equationsMagnetismMagnetic field

Question 7: In addition, there will usually be ________, plus other effects if the wire is not perfectly rigid.)
ForceEnergyAngular momentumTorque

Question 8: Moreover, the electromagnetic force is not in general the same as the net force, due to ________, electroweak and other forces, and any extra forces would have to be taken into account in a real measurement.
Equivalence principleGeneral relativityGravitationIntroduction to general relativity

Question 9: The Maxwell-Faraday equation also can be written in an integral form using the ________:[16]
Curl (mathematics)DivergenceStokes' theoremDerivative

Question 10: If the wire is not straight but curved, the force on it can be computed by applying this formula to each ________ segment of wire d, then adding up all these forces via integration.
Hyperreal numberReal numberInfinitesimalNon-standard analysis