direct current
DC maintains a consistent polarity. This topic is part of Electricity within Science & Nature. This page currently draws on 5 supporting questions, with answers and bonus facts available below.
direct current trivia questions
Direct current flows mainly in what direction?
Answer: One direction
Bonus fact: DC maintains a consistent polarity.
Which device commonly supplies direct current?
Answer: Battery
Bonus fact: Chemical batteries provide DC voltage.
What abbreviation is used for direct current?
Answer: DC
Bonus fact: DC contrasts with alternating current.
Besides conducting direct current without energy loss, what happens to magnetic fields when a material enters the superconducting state?
Answer: They are expelled from the material
Bonus fact: Superconductivity was discovered in 1911 by Heike Kamerlingh-Onnes.
What type of current do photovoltaic panels initially produce?
Answer: Direct current
Bonus fact: An inverter often converts DC to AC for household use.