Answer:
The answer should be C. slanted upward to the right.
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When a current flows through coil, magnetic field is produced around the coil which induces emf also known as back emf. When current in the coil is increased, more magnetic field is produced which in turn increases the induced emf.
Answer:
Algae-colored snow is a more common phenomenon. Single cellular algae can turn the usually white precipitation into an array of colors such as red, yellow, blue, and green. ... They contain chlorophyll, a green pigment that helps plants get energy from light, but also results in green-tinted ice-crystals.
When the bulk modulus of the medium increases, the speed of sound increases
The bulk modulus, which is often referred to as incompressibility, is a gauge of a substance's resistance to volume changes when compressed from all sides. It is determined by dividing the ratio of the applied pressure by the relative deformation.
Sound waves are mechanical waves, which means they are oscillations of matter. Hence they require a medium or system of particles (solid, liquid, or gas) to travel through. If the particles of the medium are near to each other, the transmission of energy is easy and hence, the wave travels faster.
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