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Question 1: Direct current, as produced by example from a battery and required by most ________ devices, is a unidirectional flow from the positive part of a circuit to the negative.
Electrical engineeringElectronicsEngineeringElectronic engineering

Question 2: [3] Patients suffering from ailments such as ________ or headache were directed to touch electric fish in the hope that the powerful jolt might cure them.
GoutRheumatoid arthritisAnkylosing spondylitisOsteoarthritis

Question 3: While this method, now known as the ________, is capable of lifting light objects and even generating sparks, it is extremely inefficient.
Triboelectric effectAluminiumCopperSilicon

Question 4: [11] A succession of sparks jumping from the key to the back of the hand showed that ________ was indeed electrical in nature.
LightningMeteorologyThunderstormWind

Question 5: Charge originates in the ________, in which its most familiar carriers are the electron and proton.
PhotonAtomMatterNeutron

Question 6: Long before any knowledge of electricity existed people were aware of shocks from ________.
Fish anatomyElectric fishDorsal finBottom feeder

Question 7: ________, an analogy between the flow of water and electric current
DiodeElectricityElectronic componentHydraulic analogy

Question 8: a. ^  the ________ ēlectricus, "amber-like", came from the classical Latin electrum, itself coming from the Greek ἤλεκτρον, (elektron), meaning amber
Contemporary LatinRenaissance LatinNew LatinVulgar Latin

Question 9: The electric field acts between two charges in a similar manner to the way that the gravitational field acts between two ________, and like it, extends towards infinity and shows an inverse square relationship with distance.
ForceClassical mechanicsMassGeneral relativity

Question 10: Many interactions familiar at the macroscopic level, such as touch, friction or ________, are due to interactions between electric fields on the atomic scale.
Hydrogen bondCovalent bondChemical bondAromaticity
















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