Answer to Question #330892 in Electric Circuits for arkey

Question #330892

1. If three identical lamps are connected in series to a 6-V battery, what is the voltage drop across each lamp?

Expert's answer

Let the resistance of each lamp is R. Voltage drop accross all lamps equal to battery EMF:

"3IR=E."

Voltage accross each lamp:

"IR=E\/3=6\/3=2\\space V."

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