Basic Details
Word: Conductivity
Part of Speech: Noun
Meaning: The ability of a material to allow the flow of electricity or heat.
Synonyms: Transmission, conduction, transport
Antonyms: Insulation, resistance
Idioms and Phrases
- Test the waters: To try something out to see how it goes. Example: "Before launching the new product, we decided to test the waters with a small focus group."
- Get the ball rolling: To start something. Example: "We need to get the ball rolling on this project to meet our deadline."
Usage Examples
Example 1: Metals like copper and aluminium have high conductivity, making them excellent choices for electrical wiring.
Example 2: Scientists study the conductivity of different materials to determine their suitability for various applications.
Example 3: Water has good conductivity, which is why it is often used in experiments to demonstrate electrical current.
Fun Fact
Did you know that pure water actually has low conductivity? However, when salts or other impurities are dissolved in water, its conductivity increases significantly!
Famous Quote
"Electricity is really just organized lightning." George Carlin
Multiple Choice Questions (MCQs)
1. What does "conductivity" mean?
a) The ability to keep heat inside
b) The ability to allow electricity or heat to flow
c) The sound of electricity
d) The shape of an object
Answer: b) The ability to allow electricity or heat to flow
2. Which of these is a synonym of "conductivity"?
a) Insulation
b) Conduction
c) Resistance
d) Obstruction
Answer: b) Conduction
3. Which of the following is an antonym of "conductivity"?
a) Transmission
b) Transport
c) Insulation
d) Conduction
Answer: c) Insulation
4. Which sentence uses "conductivity" correctly?
a) The conductivity of a rock is very high.
b) This wire has a high conductivity, allowing power to flow easily.
c) Conductivity can only happen in gases.
d) The plant showed high conductivity when watered.
Answer: b) This wire has a high conductivity, allowing power to flow easily.
5. Which idiom means to start something?
a) Test the waters
b) Get the ball rolling
c) Jump the gun
d) Call it a day
Answer: b) Get the ball rolling
