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A simple circuit contains a 12 V battery and a bulb with 24 Ω resistance. When t

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1. A simple circuit contains a 12 V battery and a bulb with 24 Ω resistance. When the switch is closed, what current does the ammeter read?

0.5 A

2 A

4 A

5 A

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Using Ohm’s Law: current equals voltage divided by resistance, 12 V ÷ 24 Ω = 0.5 A.

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