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- A resistor with an unknown resistance is connected in parallel to a 13 Ω resistor. Whenboth resistors are connected in parallel to anemf source of 20 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.A resistor with an unknown resistance is connected in parallel to an 11 Ω resistor. Whenboth resistors are connected in parallel to anemf source of 17 V, the current through theunknown resistor is measured with an ammeter to be 4 A.What is the resistance of the unknown resistor? Answer in units of Ω.Use Ohm’s law to analyze more complex circuits consisting of multiple resistors and batteries?
- Why should an ideal voltmeter have infinite resistance, and an ideal ammeter has no resistance?A resistor with an unknown resistance is connected in parallel to a 17 Ω resistor. Whenboth resistors are connected in parallel to anemf source of 13 V, the current through theunknown resistor is measured with an ammeter to be 2 A.What is the resistance of the unknown resistor?refer to this problem: Consider a battery with an emf of 25.0 V and an internal resistance of 0.233 Ω. Suppose it is connected to a 17.0-Ω load.How much current is flowing through the circui