When thomas edison was promoting the wide use of direct current, this personal enemy of edisons was the chief proponent and expert in alternating current?

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When a bar of iron is heated,it expands. What will happen to it's weight when it is heated

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Why does the specific gravity of milk increase, when cream is removed from the milk ?

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What are the three particles that make up an atom?

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What is Soldering ?

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Explain the Shadows ?

1 Answers   Infosys,

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When a water pump falls to draw water, a bucket of water poured into it sets it working. Why ?

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What is the dramatic increase in amplitude called when the frequency of forced vibrations on a body matches the bodys natural vibration frequency?

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how does a basic rubber ink filler work?

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How can light be defined in simplest form?

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Explain the three particles that make up an atom?

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Explain the Reflection of Light ?

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