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March 28, 2015

Homework Help: Physics

Posted by Luis on Wednesday, September 26, 2012 at 7:47pm.

A battery has an internal resistance of 0.42. A number of identical light bulbs, each with a resistance of 31.500, are connected in parallel across the battery terminals. The terminal voltage of the battery is observed to be one-half the emf of the battery. How many bulbs are connected?

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