Textbook ExpertVerified Tutor
31 Oct 2021
Given information
It is given that the flashlight bulb is being run by two cells (3.0V) and the bulb draws 380 mA current, when turned on.
Step-by-step explanation
Step 1.
The Ohm’s law tells that the ratio of voltage drop (V) and the current (I) passing through a resistance (R) is ideally constant which is equal to the value of that resistance itself, i.e.,
The power consumption by a resistor is given as,
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