battery
Electrochemical reactions inside a battery create a flow of electric charge. This topic is part of Electricity within Science & Nature. This page currently draws on 16 supporting questions, with answers and bonus facts available below.
battery trivia questions
A battery converts stored chemical energy primarily into what form of energy?
Answer: Electrical energy
Bonus fact: Electrochemical reactions inside a battery create a flow of electric charge.
Which metal is commonly used in the negative electrode of ordinary alkaline batteries?
Answer: Zinc
Bonus fact: Typical alkaline batteries use zinc at the anode and manganese dioxide at the cathode.
In a discharging electrochemical cell, oxidation occurs at which electrode?
Answer: Anode
Bonus fact: A common chemistry mnemonic is 'An Ox, Red Cat': oxidation at the anode, reduction at the cathode.
A plug-in hybrid differs from a conventional hybrid because its battery can be charged from what?
Answer: External electrical source
Bonus fact: Plug-in hybrids can drive farther on electricity alone.
Which component supplies electrical energy in a basic battery-powered circuit?
Answer: Battery
Bonus fact: The battery provides potential difference.
Many Wacom pens can operate without a battery because they use what technology?
Answer: Electromagnetic resonance
Bonus fact: The tablet can power and communicate with the pen through an electromagnetic field.
Lithium is widely used in rechargeable what?
Answer: Batteries
Bonus fact: Lithium-ion batteries power phones, laptops, and electric vehicles.
An alternator in a car generates what?
Answer: Electricity
Bonus fact: The alternator charges the battery and powers electrical systems.
An electric vehicle is powered primarily by what?
Answer: Electric motor
Bonus fact: Battery-electric vehicles use stored electrical energy.
What stores energy in most modern electric cars?
Answer: Rechargeable battery pack
Bonus fact: Lithium-ion batteries dominate current EVs.
Which device commonly supplies direct current?
Answer: Battery
Bonus fact: Chemical batteries provide DC voltage.
In what year did Bob Moog create the Melodia theremin?
Answer: 1961
Bonus fact: The Bob Moog Foundation says the simple, transistorized, battery-powered Melodia became a best seller.