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Physics, 27.01.2021 04:30 yayalovebree
How much resistance does a light bulb create if it has a current of 0.025A around it in a 9 V circuit?
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Physics, 22.06.2019 16:50
Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
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