A battery has an internal resistance of 0.50 V. A number
Chapter , Problem 73(choose chapter or problem)
A battery has an internal resistance of 0.50 V. A number of identical light bulbs, each with a resistance of 15 V, 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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