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To say that you cannot transmit electricity wirelessly is completely wrong. You can actually transmit electricity through the air by magnetic field through a mechanism called "inductive coupling" or "resonance coupling" over short distances. Over long distances, you can convert it to microwaves. However, it has not become popular due to various reasons.
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What can't transmitted sound?
transmission of soud requires a medium so sound cannot transmit in vacuum
Is medium required to transmit light waves?
No. light waves required no medium for transmission.
Why does salt not conduct electricity?
Salts in solid form will not conduct electricity as the ions cannot be in motion. However when salts are dissolved in aqueous medium (to form solution), they will conduct electricity. Also salts conduct electricity in molten (or fused) state.
How do waves transmit energy while there is no medium for propagation?
In a way, they don't. There is always a medium; though for some waves, this medium can be empty space.
Can you transmit light through a nontransparent medium?
if it is translucent, yes if it is opaque, no
Is smoke a transparent medium?
No, smoke is not considered a transparent medium because it does not transmit rays of light through it. An example of a transparent medium would be glass.
Is honey good conductor of electricity?
To conduct electricity, a medium with freely-moving ions are required. Honey in its existing form cannot conduct electricity. However, if it is diluted with water, depending on the ions from the minerals contained in the water, it may or may not be able to conduct electricity.
Why do electromagnetic waves do not require medium for travel?
because electromagnetic waves transmit energy without compressing the particles of the medium
Why is it that light can travel to Earth from a distant star but sound cannot?
Sound is a vibration that must travel through some medium such as air or water. Space is a vacuum and so cannot transmit sound. Light is an electromagnetic wave; it is self-propagating.
Is water a medium to electricity?
yes
Why would you not hear if the moon blew up?
Because there is no medium to transmit the sound.
Electronic data interchange uses what type medium to transmit data?
Electronic data interchange uses long wave medium to transmit data. This data is supplied by the electronic data interchange in San Francisco, California.
