The current flowing through the circuit is \(0.5\) A. This is calculated by first finding the total resistance in the series circuit by adding the four \(15\Omega \) resistors together to get \(60\Omega \), and then using Ohm's Law (\(I=V/R\)) to divide the battery voltage (\(30\) V) by the total resistance (\(60\Omega \)) to find the current (\(0.5\) A).
Four resistors of 15 ohm are connected in series across a 30v battery. What current flows in the circuit?
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