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Why can't AC electricity be used to make an electromagnet?
In an electromagnet, the negative side of the coil is said to "emit" the magnetic field lines- it is the north pole of the electromagnet. However, in alternating current, the energized wire alternates between positive and negative. As a result, a conventional electromagnet running on alternating current would constantly be undergoing a reversal of the poles.
How does emission spectrum looks like?
it is a set of lines corresponding to photon emission wavelengths.
What is is the stick and bone structure for n-octane?
The stick and ball structure for n-octane, which is a hydrocarbon with 8 carbon atoms in a straight chain, would consist of alternating lines and spheres representing the carbon atoms and hydrogen atoms, respectively. The stick structure would show the bond connectivity between the atoms, while the ball structure would represent the actual atoms themselves.
Where is the glabellar area on the face?
The glabellar area is located between the eyebrows on the forehead, just above the nose. It is commonly known as the region where "frown lines" or "11 lines" can appear due to repetitive muscle movement.
Serous membrane that lines the wall of body cavities?
The serous membrane that lines the wall of body cavities is called the parietal serosa. This membrane surrounds organs and helps to reduce friction between them and the walls of the cavity.
What is the unit alternating light and dark striations between the Z lines?
Sarcomere
What is the unit of alternating light and dark striations between z lines?
The unit of alternating light and dark striations between Z lines in a muscle fiber is called a sarcomere. Sarcomeres are the functional units of muscle responsible for muscle contraction and relaxation.
What are the parallel lines seen on crystal faces or cleavage planes?
Parallel lines seen on crystal faces or cleavage planes are called growth striations. They are caused by variations in the crystal's growth rate or conditions during formation, resulting in alternating layers of different densities or compositions. These striations can provide valuable information about the crystal's growth history and conditions.
Why there are lines in air wedge and circles in newton's rings?
The lines in an air wedge result from interference of light waves that have traveled different distances. The resulting interference pattern creates alternating dark and light bands. In Newton's rings, the circles are formed due to interference of light waves reflected between a convex lens and a flat glass surface. The varying thickness of the air gap creates a series of concentric circles of alternating dark and light fringes.
What minerals have the property of striations?
Minerals that exhibit striations include feldspar, particularly plagioclase, and quartz. Striations are fine, parallel lines or grooves found on the crystal surfaces of these minerals, often resulting from their crystallization processes. Other minerals, such as calcite and some varieties of pyroxene, can also show striations, which can be important for identification in mineralogy.
Striations of skeletal muscle are produced by?
Skeletal Muscle (as well as Cardiac Muscle) have striations do to their sarcomere's anatomy. The sarcomere is the functional unit of the muscle and appears striated because the different thick and thin filaments present.
What are bullet striations?
The scratch marks left on the proyectile by the rifling lines of the inside of the bore (barrel).
Narrow lines of colors with no light in between them are called what?
Narrow lines of colors with no light in between them are called dark lines. They are typically seen in the spectrum of light when certain wavelengths are absorbed or blocked.
What is longitudinal striations?
Longitudinal striations are parallel lines or grooves that run along the length of a structure or surface, often seen in muscles or bones. They can provide information about the direction of muscle contractions or the growth patterns of bones.
What minerals have striations?
Minerals that commonly exhibit striations include plagioclase feldspar and quartz. Striations are often seen as fine, parallel lines on the crystal surfaces, particularly in plagioclase due to its twinning. Other minerals, such as calcite and some varieties of mica, may also display striations, although they are less common. These features can help in the identification of minerals under a microscope or in hand samples.
Why do glacial striations show the direction a glacier moved?
In the sense that it makes it known that the rock existed before a period of glaciation, yes.
Lightning carries Alternating current or Direct Current?
Power lines carry electricity as alternating current.
