The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately - Study24x7
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The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately

A

112 Ω

B

11.2 Ω

C

1.2 Ω

D

18 Ω

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