Physics
Who among the following is credited to work for the unification of electricity, magnetism and optics field of Physics?

Haris Christian Oersted
Isaac Newton
James Clerk Maxwell
Michael Faraday

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Physics
An integrated circuit is more advantages than a coventional circuit because

They make the electric equipments more reliable and easier for servicing
If a part of the integrated circuit fails the entire circuit is simply replaced
All listed here
A faulty part of a conventional circuit may be difficult to locate and repair

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