During electrolysis of water a small amount of salt is added to pure water.
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ANSWER OF YOUR PREVIOUS QUESTION DEAR
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1) even though the magnitude of action force and reaction force are equal and their direction are opposite their effect do not get cancelled because they act on different bodies. book exerts force on table while reaction force is exerted on book.
2)Fuses are always connected in series with the components to be protected from over current , so that when the fuse blows (opens) it will open the entire circuit and stop current through the components.
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