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You connect three 0.5 volt lights in series. Each light has a resistance of 25ohms. Answer the following.
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You connect three 0.5 volt lights in series. Each light has a resistance of 25ohms. Answer the following.

You connect three 0.5 volt lights in series. Each light has a resistance of 25ohms-example-1
User Anuj Tenani
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1. 3 times the light voltage, ie., 3*0.5 = 1.5V
2. Total R = 3*25 = 75Ω, V=1.5V, I = V/R = 1.5/75 = 20 mA
3. A 1.5V battery (e.g., an AA battery) with a charge of at least 20mAh. AA batteries should be able to handle this easily.
User Lenzman
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