# Ohm's law: Quiz

Question 1: In the linear laminar flow region, Poiseuille's law describes the hydraulic resistance of a pipe, but in the ________ region the pressure–flow relations become nonlinear.
Drag (physics)Fluid dynamicsReynolds numberTurbulence

Question 2: ________ are circuit elements that impede the passage of electric charge in agreement with Ohm's law, and are designed to have a specific resistance value R.
Electrical impedanceResistorElectrical resistanceElectronic component

Question 3: In January 1781, before ________'s work, Henry Cavendish experimented with Leyden jars and glass tubes of varying diameter and length filled with salt solution.
Isaac NewtonAndré-Marie AmpèreGeorg OhmWilliam Thomson, 1st Baron Kelvin

Question 4: The drift velocity then determines the electric ________ and its relationship to E and is independent of the collisions.
Maxwell's equationsMagnetic fieldCapacitanceCurrent density

Question 5: For experiments, he initially used voltaic piles, but later used a ________ as this provided a more stable voltage source in terms of internal resistance and constant potential difference.
CobaltThermocoupleIronOxygen

Question 6: A ________ is sometimes used to describe Ohm's Law.
DiodeHydraulic analogyElectricityElectric current

Question 7: Water flow rate, as in ________ per second, is the analog of current, as in coulombs per second.
Metric systemLitrePintUnited States customary units

Question 8: The more complex generalized forms of Ohm's law are important to condensed matter physics, which studies the properties of matter and, in particular, its ________.
Noble gasHydrogenElectron configurationOxygen

Question 9: where J is the ________ at a given location in a resistive material, E is the electric field at that location, and σ is a material dependent parameter called the conductivity.
Maxwell's equationsCurrent densityCapacitanceMagnetic field

Question 10: It applies to both metal conductors and circuit components (________) specifically made for this behaviour.
Electrical impedanceElectrical resistanceResistorElectronic component