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Which device allow only frequencies in a certain range to pass through?
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What material does not allow light to pass through it?
Opaque materials do not allow light to pass through them.
What differentiates insulators and conductors?
insulators do not allow electricity to pass through them whereas conductors allow electricity to pass through them.
What is the material that does not allow energy to pass through it easily?
Materials that allow energy to flow easily through it are called conductors.
What is a material that doesn't allow charges to move through it easily?
Wood An insulator is a material that does not allow charges to move through it easily.
How do polarizing filters allow each eye to see separate images in the projection of three dimensional slides or movies?
A linear polarizing filter allows only light that is oriented a certain way to pass through.
What does the capacitor in a low pass filter do?
Does not allow high frequencies to pass through the circuit.
Why do different filters affect colour?
They allow different frequencies of light to pass through.
What is selectively permable?
Will only allow something of a certain size or with certain characteristics to pass through.
What are membranes that allow only certain substances to pass through them?
Semi permeable membranes.
What is the name given to membranes that only allow certain materials to pass through them?
"semipermeable"
What is meant by the term differentiation?
differentialy permeable means, a substance which allow only certain materials to pass through it. For eg., a plant cell wall acts as a differentially permeable membrane which allow only certain materials like water, certain ions etc to pass through it.
What type of molecules allow only certain molecules to pass through it?
semi permeable membranes
How does digital technology allow you to work from anywhere?
It may or may not, certain jobs MUST be done at the worksite and cannot be done remotely via a digital device!
What is the ability of a membrane to allow materials to pass through called?
Permeable if anything can go through or semipermeable if only certain things can go through it.
How is the cell membrane selectively permeable?
The pores of the cell membrane only allow objects of a certain size or polarity through. The lipids that make up the membrane have a certain polarity at the head and tail and only certain objects are allowed through because of this.
Which storage device doesnt allow the data on it to be erased or rewritten?
What is the name of the storagr device that does not allow the data on it to be erased or re written
What is clamping voltage?
The maximum amount of voltage that a surge protector will allow through itself before it will suppress the power surge. When the device reaches its clamping voltage, it blocks any further current from flowing through the device and into a computer system or other electronic device. Source: http://www.webopedia.com/TERM/C/clamping_voltage.html
