The current through a flashlight bulb is 40 mA and the total battery voltage is

Question - 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

Options:

A . 112 Ω

B . 11.2 Ω

C . 1.2 Ω

D . 18 Ω

Answer: Option A

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