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QUESTIONS FOR SERIES AND PARALLEL CIRCUITS 1. i) How does the equivalent resistance of a series...

QUESTIONS FOR SERIES AND PARALLEL CIRCUITS

1. i) How does the equivalent resistance of a series circuit compare to each individual resistor? ii) Answer the same question for a parallel circuit?

2. Assume that you have three 2Ω resistors. Show using a schematic drawing, how youwould connect these together to achieve the following resistances: (a) 1Ω, (b) 3Ω, and (c)4 Ω. Note that you do not always have to use all three resistors to achieve your goal.

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3. Assume that a 120 Ω resistor and ammeter are in series. A voltmeter is in parallel withboth of them. The meters are not ideal, but have internal resistances of ?? = 10.0?Ωand ?? = 2.00Ω. If the voltmeter reads 8.25 volts, what is the actual voltage across theresistor?

4. Note: The circuit in this problem is wired differently from the circuit in problem3.Assume that a 470kΩ resistor is in parallel with the voltmeter from problem 3. If theammeter from problem 3 is in series with this parallel combination, what is the actual current through the resistor if the ammeter reads 2.00 ???

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