A 20-cm-long nichrome wire is connected across the terminals of a 1.5 V battery.### Part A**Question:** What is the electric field inside the wire? *Instructions:* Express your answer to two significant figures and include the appropriate units.Input Boxes:- \( E = \) [Value] [Units][Submit Button] [Previous Answers] [Request Answer] [Incorrect Message]: Try Again; 29 attempts remaining.### Part B**Question:** What is the current density inside the wire? *Instructions:* Express your answer to two significant figures and include the appropriate units.Input Boxes:- \( J = \) [Value] [Units][Submit Button] [Request Answer]### Part C**Question:** If the current in the wire is 2.6 A, what is the wire's diameter? *Instructions:* Express your answer to two significant figures and include the appropriate units.Input Boxes:- [Value] [Units][Submit Button]

Given Length of wire ,L = 0.20 m Voltage across wire,V = 1.5 V Standard resistivity of nichrome,…

Answered: Express your answer to two significant…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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a) i) Based on Figure 1, determine the primitive unit cell and nonprimitive unit cell. Briefly explain your answer.
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Cross Sectional Area Length Figure 2 Then the cross sectional area of the wire can be calculated using the equation of the area of a circle: A = ar? (5) In this experiment, you will measure V and I to determine R for various lengths of wire. You will then make a graph of Resistance (Y-axis) versus length (X-axis). The plot will result in a straight line that has a slope equal to slope = A (6) From equation 6, it is possible to solve the resistivity in terms of the slope and the cross sectional area: p = slope * A (7) The manufacture values of the resistivity corresponding to the wires used in the experiment are reported in Table 1. These values will be used as the theoretical when calculating percent error. Table 1. Theoretical resistivity of different materials according to manufacturer. Attracted Material Color Diameter (m) Resistivity (Qm) to Magnet Brass Yellow No 0.000508 7.0 x10-8 0.000813 0.001016 0.001270 Соpper Nichrome Stainless Red No 0.001016 1.8 x10-8 Dark Gray No Dark…
Part A Suppose that you have a 580-N, a 810-N, and a 1.50-kN resistor. What is the maximum resistance you can obtain by combining these? Express your answer to three significant figures and include the appropriate units. Rmax = 2.89 kN Submit Previous Answers Correct Part B What is the minimum resistance you can obtain by combining these? Express your answer to three significant figures and include the appropriate units. HA Rmin = Value Units
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A potential difference, V, is applied across the length of a conducting wire with resistivity, p, radius, r, and length, L. (a) Write symbolic expressions for the following in terms of V, p, r, and L (ONLY and as needed), along with any constants. • Electric Field Strength: E = • Resistance: R = • Current: I = • Current Density: J = (b) Combine the equations above to obtain symbolic expressions for the current and current density in terms of V, E, R, and p (ONLY and as needed). Don't look it up! See how it all fits together! || • J=
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tus or W tus (15%) Problem 1: Consider a wire made of copper with conductivity 6.0 x 107 02¹m¹, which has a circular cross-section of radius 0.17 mm. In a particular circuit, this wire carries a current of 2.5 A. Fequiere, Vanessa-vanessa fequiere@uconn.edu Completed Completed @theexpectta.com-Arackmg 10:2ZEN BALIMISTADA so may result in terminaisou your Expen TNI A 50% Part (a) What is the electric field, in volts per meter, inside this wire? E=1 sin() cotan() atan() cosh() cos() asin() acotan() tanh() Degrees Submit tan() acos() sinh() cotanh() Radians Hint E ( + VO Feedback 7 8 9 4 5 6 1 2 3 131 0 I give up! Feedback: 0% deduction per feedback. olanens sharing website is strictly forbidden. Doing Grade Summary Deductions Potential 0% 100% Submissions Attempts remaining: S (0% per attempt) detailed view Hints: 2% deduction per hint. Hints remaining: 1 50% Part (b) If we replace this wire with a gold one of the same size, with conductivity 4.1 x 1072 m, what will the electric field in…
When an ammeter is used to measure the current is in the circuit shown in (Figure 1 ), it reads 6 A. Part A What is the resistance of the ammeter if v₂ = 27 V? Express your answer to three significant figures and include the appropriate units. ▸ View Available Hint(s) Figure 2.516 Us is 4.80 16 1 of 1 με ? Rmeter 4.5 Ω Submit Previous Answers × Incorrect; Try Again; 2 attempts remaining Part B What is the percentage of error in the current measurement? Express your answer as a percentage to three significant figures. ▸ View Available Hint(s) % error = 40 ΜΕ ΑΣΦ Η vec Submit Previous Answers × Incorrect; Try Again; 5 attempts remaining < Return to Assignment Provide Feedback ? %
Part A Variations in the resistivity of blood can give valuable clues about changes in various properties of the blood. Suppose a medical device attaches two electrodes into a 2.0-mm-diameter vein at positions 5.1 cm apart. What is the blood resistivity if a 9.0 V potential difference causes a 210 µA current through the blood in the vein? HA ? p = Value Units Submit Request Answer
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5. Assume that you need to measure an average temperature in a heated space. You have three identical temperature sensors. Each sensor produces a voltage proportional to temperature such that: Sensor Voltage = .01 * Temperature in degrees Celsius Assume that you bave three voltages, Va, V, and V, You want to take the average of these three voltages lin order to compute the average temperature inside the heated space. This circuit has been suggested as a possibility for computing the average. Rf ww Vout A. Find an analytical expression for Vout in terms of the input voltages and the four resistors. B. Determine if a proper dhoice of resistors will let you use this as a averager. If you can, then find some appropriate values for the resistors.

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