What is the potential difference across a light bulb if 0.20 A of current goes through the
light bulb and the bulb has 5 Ω of resistance? (show with steps)
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Explanation:
An example of this is the filament light bulb, in which the temperature rises as the current is increased. Here, Ohm's law cannot be applied. If the temperature is kept constant for the filament, using small currents, then the bulb is ohmic. ... Ohm's law is not true in all cases.
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