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Answer:
1) An AC generator can be modified to produce direct current (DC) electricity also. The change requires a commutator. The current that flows into the external circuit, therefore, is always traveling in the same direction.
2) Grills of doors and windows are always painted before they are used. This will prevent corrosion. If not painted, the grills will come in contact with air and rain water and will corrode.
3) Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. ... The white light coming from the Sun is really made up of all the colors of the rainbow.
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Answer:
Q.2 A
1.An Air conditioner(AC)generator can be adjusted to create a DC power. The change requires a commutator. The current that streams into the outer circuit, subsequently, is continually going the similar way.
2.Since air consistently contains dampness, iron flame broils get rusted. Painting iron articles prevents rusting, consequently iron flame broils of entryways and windows are painted before they are utilized.
3.Daylight arrives at Earth's climate and is dispersed IN every way by all the gases and particles in the air.Blue light is scattered more than the other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
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