Physics, 30.09.2019 19:30, skylerdemi1

What is the formula for electrostatic force?

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Physics, 22.06.2019 16:50, justkevin1231

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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Physics, 22.06.2019 22:00, janyha212

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