Observations 1. What is/are your observations regarding the value of the equivalent resistance of a number of resistors connected in this manner?
Q: You are working at a company that manufactures electrical wire. Gold is the most ductile of all…
A: resistance, R=ρlA where, ρ=resistivity of gold=2.44×10-8Ωm l=length of the wire A=surface area of…
Q: A 100 W lightbulb and a 60 W lightbulb each operate at a voltage of 120 V. Part A Which bulb carries…
A: Voltage, V = 120 VPower, P1 = 100 WPower, P2 = 60 W
Q: Consider the circuit shown in (Figure 1). The batteries have emfs of E₁ = 9.0 V and E2 = 12.0 V and…
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Q: Two straight wire-electrodes are placed, in parallel, across your index finger a distance 2.2 cm…
A: The objective of this question is to calculate the resistance of the skin when a certain voltage is…
Q: In the figure R₁ = 100, R₂ = R3 = 65.00, R4 = 1122, and the ideal battery has emf & = 6.00 V. (a)…
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Q: What is the resistance of a 3.4-m length of copper wire 1.6 mm in diameter? The resistivity of…
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Q: A cylindrical aluminum pipe of length 2.49 m has an inner radius of 2.11 × 10-3 m and an outer…
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Q: Figure 8₁ 9.0 V R₁ 22 2 HH ww R₂ = 1892 83=6.0 V 1 of 1 Part A Determine the magnitudes of the…
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Q: Using Kirchhoff's rules, find the following. (E, = 71.0 V, E, = 62.0 V, and E, = 79.8 V.) 4.00 ka…
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Q: Figure P18.19 shows a circuit diagram. (R1 = 1490 2, R2 = 420 , AV = 28.0 V) 1 000 N R, 30.0 V AV 2…
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Q: The potential difference across a resting neuron in the human body is about 89.0 mV and carries a…
A: Given data: Potential difference (V) = 89.0 mV = 89.0×10-3 V Current (I) = 0.270 mA = 0.270×10-3 A…
Q: Given is a current-versus-potential-difference graph for a cylinder. What is the cylinder’s…
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Q: Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance…
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Q: In the figure the ideal batteries have emfs E₁ = 9.0 V and E2 = 0.500 E1, and the resistances are…
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Q: An auto mechanic needs to determine the emf and internal resistance of an old battery. He performs…
A: An old battery measurement by the voltmeter is 11.7VThe ammeter reading is 17.1A
Q: An auto mechanic needs to determine the emf and internal resistance of an old battery. He performs…
A: Emf=11.8v Current=17.7A
Q: A cylindrical aluminum pipe of length 2.49 m has an inner radius of 1.85 x10-3 m and an outer radius…
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Q: The figure shows cross sections through three long conductors of the same length and material, with…
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Q: The resistance of the skin on a person's finger is typically about 37,000 N. How much voltage would…
A: According to Ohm's law, the current through a conductor between two points is directly proportional…
Q: If the battery in the circuit below is 3.53V, resistor R1=69.44ΩΩ, and resistor R2=61.16ΩΩ, what is…
A: Given data: Battery emf (ε) = 3.53 V Resistor R1 = 69.44 Ω Resistor R2 =61.16 Ω Required: The…
Q: If the battery in the circuit below is 10.44V, resistor R₁-72.74, and resistor R₂-17.330, what is…
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Q: R2 R 12.0 V= R 12.0 V (a) Find the magnitude of the current in each resistor. I2.55A = X A I4.150 =…
A: According to Kirchhoff's first law Algebraic Sum of current at a junction is always zero. According…
Q: The resistors in the circuit below have the following values: R, = 8.10 N, R, = 7.00 N, and R3 =…
A: The voltage of each battery= 3 V R1=8.1 ohms R2=7 ohms R3=3.5 ohms
Q: What is the resistance of Part A A 1.1-m-long gold wire that is 0.50 mm in diameter? Express your…
A: Resistance calculation.
Q: In the figure the current in resistance 6 is i6 = 1.33 A and the resistances are R₁ = R₂ = R3 =…
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Q: What is the resistance of A 1.0-m-long gold wire that is 0.30 mm in diameter? Express your answer in…
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Q: The emf in the figure below is 4.50 V. The resistances are R₁ = 32.0, R₂ = 24.502, and R3 = 37.5 9.…
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- please solve with stepsFigure P18.19 shows a circuit diagram. (R1 = 1550 , R2 = 430 , ΔV = 20.5 V) (a) Determine the current. (b) Determine the potential of wire A relative to ground. (c) Determine the voltage drop across the 1550 resistor.Problem 2: The battery has a potential difference of 10 V and each resistor has a resistance of 2 ohms. RI R2 'R3 (a) Determine the equivalent resistance of the 3 resistors. (i.e. if you replace the three resistors shown with a single equivalent resistor, what value should you select?) 3 ohms (b) Determine the current through each resistor. (R1 has 1.66 A, R2 has 1.66 A, R3 has 3.33A)
- The circuit below contains two real batteries, each having significant internal resistance. Battery #1 has an EMF of 6.00 V and an internal resistance of 1.00 ohm. Battery #2 has an EMF of 12.00 V and an internal resistance of 2.00 ohms. These two batteries are connected in series with two resistors R, = 6.00 ohms and R,= 3.00 ohms. ri d (6.00,V) (1.00 0) R1 (6.00 N) R2 (3.00 N) a r2 E2 (2.00 Q) (12.00 V) 18. The current in the 12.00 Volt battery is equal to C. 0.500 A. A. 0.750 A. B. 1.00 A. D. 2.00 A. E. 1.50 A. 19. The potential difference across the terminals of battery #1 from point C to point d is equal to C. 7.00 V. A. 5.50 V. B. 6.00 V. D. 5.00 V. E. 6.50 V. 20. The potential difference across the terminals of battery #2 from point a to point b is equal to C. 13.00 V. A. 14.00 V. В. 10.00 V. D. 11.0 V. E. 12.00 V.Four light bulbs are connected to a battery as shown. Bulbs A and B each have the same resistance "R" while bulbs C and D each have the same resistance "3R". Assume that VBatt , R (and hence 3R) are known. A V Batt B a. First, calculate the power dissipated by each of the light bulbs (A,B,C,D). b. Then rank them in the order of increasing brightness (least brightest first). Note: Your answers for the power for each bulb MUST only be in terms of the known quantities VBatt and R and necessary numerical factors only.In Europe the standard voltage in homes is 220 V instead of the 120 V used in the United States. Therefore a "100 W" European bulb would be intended for use with a 220 V potential difference. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Increasing the resistance. ▼ If you bring a "100 W" European bulb home to the United States, what should be its U.S. power rating? Express your answer to three significant figures and include the appropriate units. P = Submit Part B Value I = Request Answer Units How much current will the 100 W European bulb draw in normal use in the United States? Express your answer to three significant figures and include the appropriate units. Value Units ? wwwww ?
- Wires 1 and 2 are made of the same material. Wire 2 has 1/3 the length and 1/3 the diameter of wire 1. What are the ratios R₂/R₁ of the resistances of the wires? A) R₂/R₁ = 9 B R₂/R₁ = 3 C) R₂/R₁ = 1/3 D R₂/R₁ = 1/9 E None of the other answers is correctPart A What is the resistance of A 1.9-m-long gold wire that is 0.50 mm in diameter? Express your answer in ohms. Φαν| A Η Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B A 50-Cm-long piece of carbon with a 2.0 mm x 2.0 mm square cross section? Express your answer in ohms. Submit Request Answer