small light connected to a battery, what current does the battery supply if...?

Question by PhysicsPhan: small light connected to a battery, what current does the battery supply if...?
A single small light is connected to a battery (V = 1.5 volts). If the resistance of the light is 60 Ohms what current does the battery supply? What power is delivered to the bulb by the battery? How many charges flow through the bulb in one second?


Best answer:
Answer by tbotdCurrent = (Voltage/Resistance)
.025 A= (1.5 V/ 60 Ω)

Joules Law = (Power = Current x Voltage)

P = .025 A x 1.5 V = .0375 W = .0375 Joules/Second

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