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Efficiency is usually a measurement of the input versus the output. But, it also has an element of comparing to all the competing technologies.
Is a solar panel that captures 19% of the sun's energy and converts it to electricity efficient? (See Sunpower Solar). Compared to the competitors that capture about 10%, it is very efficient. Yet, compared to the space technology panels that get about 40% efficiency (Emcore, Boeing), it still has some work to do.
But, with a solar panel, efficiency in many senses is just a measurement of how much space it will take up on the rooftop.
With a hot water heater, efficiency might be a measurement of how much electricity or gas you need to buy. And that is something that is easy to measure an input vs output, assuming we believe the estimates.
What else can I help you with?
What do you call something that makes something move or cause it to stop?
You can call something that makes something move a "force" or a "mover," while something that causes it to stop can be referred to as a "brake" or a "stopper."
To have and hold on to something?
To possess or cling onto something.
What is holding something tight called?
Gripping or clasping something tightly is commonly referred to as "holding something tight."
Is energy something something a system does or something a system has?
Energy is something a system has. It is a property of a system that can be transferred or transformed but is not actively doing something in and of itself. The system uses this energy to perform work or create changes within itself or its surroundings.
What is something called when Something that holds you back?
An obstacle or impediment.
How efficent is solar?
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What is a fuel efficent car?
Honda Civic :D
Are shaft driven motor cycles efficent?
Yes.
How do you make an energy efficent dog house?
make it
Is an alternator more efficent than a generator?
They are the same thing.
What is an advantageof common terminology?
allows for quick, efficent communication
Where can I buy a fuel efficent SUV?
Anytime you are looking for a feul efficent car or SUV budget will play a large role. For instance the Lexus RX 450h gets 31mpg highway. However if you are looking for something a little bit more inexpensive, the Toyota RAV4 gets 29. You can look at the consumer reports and compare all different vehicle based on gas milage.
What does a home that is energy efficent look like?
it is a home that is powered by energy resources
What can make typing more efficent because your hands are on the keyboard?
Shortcut keys
Limitations of merge sort and quick sort?
Comolexity Not efficent big data
Why do they use diesels in the le mans?
because they are more efficent and have more torque.
What is the more efficient sport car?
The Mazda Miata is very fuel efficent.
