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277 questions with 277answers
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622
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Please provide the reasons for usage of 220V triphasic (or three-phase) power systems in electrical distribution networks.

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1218
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What is an elecron ?

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902
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What are the particles that make up an atom?

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1144
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What does atomic mass number of an element mean?

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1004
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What is a proton?

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1492
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What is a neutron?

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1731
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What is the scientific classification of an atom?

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what is exactly the solar apex and what is the difference between the orbital velocity of the sun which is about 220 km/s and the …

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