Physics
If electric resistance is to be decreased, then the number of resistances should be connected in ________

None of these
Series
Mixed arrangement
Parallel

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Physics
Light houses are places with powerful lights to :

Guide and warn the ships coming from different directions in the ocean
Guide and help large crowds at religious gathering during nights
Guide and resolve traffic jams in crowded metro-cities during nights
Indicate to the incoming warships, the location of a harbour during night

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