A bulb is rated at 200 V - 100 W. What is its resistance?
# PLZ HELP # BRAINLIEST SURE
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A bulb is rated at 200 V - 100 W. What is its resistance?
# PLZ HELP # BRAINLIEST SURE
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power: 100w
resistance:?
solution : R =v square
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power
= 200×200
--------
100
= 40000
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100
= 400
ANS : the resistance = 400 ohms