A small flashlight bulb provides a resistance of 3 ? to the 300 mA current that runs through it. Determine the voltage of the battery in the flashlight. 0.1 V 0.9 V 100 V 900 V
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We are given the resistance (R) as 3 ohms and the current (I) as 300 mA (which is equal to 0.3 A). Now, we can plug these values into the formula: Show more…
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