Ohm's law relates the current, voltage, and resistance in a circuit. use ohm's law to determine what will happen to the remaining variable if one is held constant and another is changed. assume that, originally, the resistance is r 0 , the current is i 0 , and the voltage is v 0 .

Ohm's Law states that current through any conductor is directly proportional to the potential difference across the ends of the conductor.

Explanation:

Ohm's Law states that current through any conductor is directly proportional to the potential difference across the ends of the conductor.

Mathematically:

where

R = resistance of the conductor

i.e.

Other form of the equation is:

the current is 0.6

voltage ÷ resistance = current

so 12 ÷ 20 = 0.6

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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