Physics, 19.03.2020 22:30 travashouston4873

When you connect an unknown resistor across the terminals of a 1.50 V D-cell battery having negligible internal resistance, you measure a current of 2.05 mA flowing through it. a. What is the resistance of this resistor? 731.7 Correct: Your answer is correct. Ω b. If you now place the resistor across the terminals of a 9.0V battery having no internal resistance, how much power dissipates across the resistor? .1107 Correct: Your answer is correct. W You now put the resistor across the terminals of a power supply with an unknown emf an internal resistance of 35 Ω and measure a current of 0.0036 A flowing through the resistor. c. What is the emf of the power supply? 2.76 Correct: Your answer is correct. V d. If the resistor is connected to the power supply for 18.0 minutes, how many kilowatt-hour is used by the resistor?

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When you connect an unknown resistor across the terminals of a 1.50 V D-cell battery having negligib...

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