Physics
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Ohm’s law
Ohm’s law
Why does a bulb glow brighter when connected directly to a battery than when connected via a resistor?
Admin User
Asked 1 week ago
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Answers (1)
Admin User
Answered 1 week ago
Ohm’s law: V = IR. Adding a resistor reduces the current (I), meaning less energy reaches the bulb, so it glows dimmer. Direct connection = maximum current = brighter glow!
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