Question #151532
A simple circuit has a 4V battery and a lamp. There is 30mA of current in the lamp. How much energy is transferred to the lamp in 5 minutes?
1
Expert's answer
2020-12-18T11:16:39-0500

E=IVt=30×103×4×5×60=36JE= IVt \\ \quad =30\times10^{-3}\times4\times 5\times60\\ \quad =36J


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