1. In this lab you will be calculating the resistivity, you will first need to determine the cross sectional area (A) of each wire. If we consider a wire to be a long cylinder; then the cross sectional area would have a circular shape as shown by Figure 2 in the instructions. Use equation (5) to calculate the cross sectional area for each wire. Note: Write down the areas in scientific notation and have 7 digits. Material Diameter (m) Cross – Sectional Area (m²) 0.000408 A = 0.000713 A2 = Brass 0.000916 A3 = 0.001170 A4 = Copper 0.000916 As = Nichrome 0.000916 A, = Stainless Steel 0.000916 Ag =

1. In this lab you will be calculating the resistivity, you will first need to determine the cross sectional area (A) of each wire. If we consider a wire to be a long cylinder; then the cross sectional area would have a circular shape as shown by Figure 2 in the instructions. Use equation (5) to calculate the cross sectional area for each wire. Note: Write down the areas in scientific notation and have 7 digits. Material Diameter (m) Cross – Sectional Area (m²) 0.000408 A = 0.000713 A2 = Brass 0.000916 A3 = 0.001170 A4 = Copper 0.000916 As = Nichrome 0.000916 A, = Stainless Steel 0.000916 Ag =

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)...

See similar textbooks

Related questions

Q: Find the current I through the circuit. I= (mA). Find the voltage across each resistor. Give your…

A: Applying kirchoffs loop rule, 12-(10+20+10+10+10)*10^3 * I -24 =0 I=-12(60×103)=-2×10-4A=0.2mA

Q: 1. A 4kg ball is launched into the air from the ground with a speed of 18m/s. At the top of its arc,…

Q: What is the resistivity of a wire 1.00 mm in diameter, 5.6 m long and 50 mΩ in resistance. Enter…

Q: 1) A resistor R dissipates 3 W of power when it is connected to a 24 V source. The source and…

A: The power dissipated by the resistor, P = 3 W The source voltage, V = 24 V The time for which the…

Q: A certain lightbulb has a tungsten filament with a resistance of 22.4 N when at 20.0°C and 143 N…

Q: Part A Determine the equivalent resistance of the "ladder" of equal 180-S2 resistors shown in the…

A: ladder resistance = 180 ohm; given a 50 v battery;

Q: 3. Charging a capacitor through a resistor. The capacitor initially starts with no charge. Refer to…

A: Given: R= 1800 ΩC= 225 μFVps= 10 V

Q: In the schematic below two batteries are in series and drive current through the circuit as shown.…

A: Given data: ΔV1 = 2 V ΔV2 = 1.1 V R = 69 Ω Two batteries of 3.0 V and 4.5 V connected in series

Q: The resistance of gold wire used in circuits is usually negligible compared to the components in the…

Q: A copper wire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when…

A: GivenL= 2.50 mDiameter (D) = 2.5 mm =2.5 × 10-3 mResistivity of copper (ρ) = 1.68 × 10-8 Ω mV =3.0 V

Q: What is the resistance (in units of 2) of a wire made of a material with a resistivity of 3.2 x…

A: Resistance is the measure of opposition to the current flow (or degree of hindrance ) in an electric…

Q: A metal box having a mass of 100.0kg is pulled along a level plane, at uniform speed, by a…

A: Answer:- Given Mass of a metal box(m) = 100.0 kg At uniform Speed by a horizontal rope applying a…

Q: Wire D's cross-sectional area is 18 times the cross-sectional area of wire C. Each wire has the same…

Q: Learning Goal: To learn to apply the concept of current density and Kirchhoff's junction rule.…

Q: The resistivity of a metal increases slightly with increased temperature. This can be expressed as…

Q: A charge of 0.060 mC flowed through a wire for 2.4 s. What was the current in this wire? answer in…

A: Given data: Charge (q) = 0.060 mC Time (t) = 2.4 s Required: Current (I)

Q: You want to determine the emf & and internal resistance r of a battery you found, as well as the…

Q: The resistivity of a metal increases slightly with increased temperature. This can be expressed as p…

A: Given data, Final resistance R=0.25 Ω Initial resistance R0=0.25 Ω Constant α=3.9×10-3 °C-1…

Q: The resistivity of copper at room temperature is 1.7x10-8 Qm. A copper wire of 100 m long and 2 mm…

A: Given: Resistivity of copper, ρ=1.7×10-8 Ωm Length of wire, L=100 m Diameter of wire, d=2 mm=2×10-3…

Concept explainers

Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

Question

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

1. In this lab you will be calculating the resistivity, you will first need to determine the
cross sectional area (A) of each wire. If we consider a wire to be a long cylinder; then
the cross sectional area would have a circular shape as shown by Figure 2 in the
instructions. Use equation (5) to calculate the cross sectional area for each wire.
Note: Write down the areas in scientific notation and have 7 digits.
Material
Diameter (m)
Cross – Sectional Area
(m²)
0.000408
A1 =
0.000713
A2 =
Brass
0.000916
Az =
0.001170
A4 =
Copper
0.000916
As =
Nichrome
0.000916
Az =
Stainless Steel
0.000916
Ag =

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Needs Complete typed solution with 100 % accuracy.
Using Ohm’s Law (V=IR), the expression for the resistance of a wire (R=ρl/A), and the value of the slope calculated above, find the resistivity of the material. The diameter of the wire is 0.022 in. Make sure you convert it to meters. the current was kept constant, I = 0.5 A
In the circuit below, if the battery in the circuit below is 3V, resistor R₁=1540, and resistor R₂-3550, what is the total or net current in the circuit units of mA? R₁ High potential I R₂ 12 I + T E Low potential Note: It is understood that the unit of your answer is in milli-Amps (mA), however do not explicitly include units in your answer. Enter only a number. If you do enter a unit, your answer will be counted wrong.
A student measured the potential difference between two ends of a straight wire of length 0.50 m and diameter 2.0 mm for different electric currents running through the wire. The student plotted the potential difference (in volts) as a function of the electric current (in ampères) with the goal of calculating the resistivity of the material. The graph, including the trendline, is shown in Figure 2b. Based on this experiment, the resistivity of the material is: 1.68 x 10-6 Q m 4.19 x 10-5 0 m 1.68 x 1052 m 0.00419 2 m 4.19 x 10-7 o m O 0.00168 Q m 1.33 x 10-7a m 1.33 x 10-8 o m AMoving to th e poxt question provopts cha ngos te this answor
Y A rectangular block of metal of resistivity phas dimensions d x 2d x 3d. A potential difference V is to be applied between two opposite faces of the block. Part B What is the maximum current density Jax from Part A? Express your answer in terms of some or all of the variables V. p (the resistivity of the material), and d. View Available Hint(s) jmax Submit Part D Imax = IVE 15] ΑΣΦΑΛΟ Submit Previous Answers What is this maximum current? Express your answer in terms of some or all of the variables V, p (the resistivity of the material), and d. View Available Hint(s) VE ΑΣΦ Previous Answers ? X Incorrect; Try Again; 5 attempts remaining ?
1. For the following questions, you do not need to understand the physics. Just focus on working with the equations: To enter subscripts, press the first right-facing arrow by the superscript button in the menu of the popup. (a) Two resistors R₁ and R₂ in an electric circuit are connected in parallel. The effective resistance of the circuit is given by: (Simplify as much as possible and express the answer as a fraction.) 1 1 1 + R R₁ R₂ Solve for R in terms of R₁ and R₂: R= = (b) The volume of a sphere of radius R is V= much as possible. R = ✓ 4 πR³ 3 Solve for R in terms of and V. Simplify as
How long must a 0.64-mm-diameter aluminum wire be to have a 0.60 A current when connected to the terminals of a 1.5 V flashlight battery? Express your answer to two significant figures and include the appropriate units. HA ? L = Value Units Submit Request Answer Part B What is the current if the wire is half this length? Express your answer to two significant figures and include the appropriate units. ? I = Value Units
A certain laboratory experiment requires an aluminum wire of length of 23.0 m and a resistance of 2.20 at 20.0°C. What diameter wire must be used? (The resistivity of aluminum at 20.0°C is 2.82 x 10-8. m.) Enter a number. differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mm
1. Does the resistance of all substances increase with temperature? Explain. 2. What is the temperature coefficient of resistance, and what are its units? 3. Are the a of a metal conductor and the B of a thermistor the same? Explain. 4. What the circuit conditions when Wheatstone bridge is are a "balanced"? 5. Assuming that B remained constant, what would be the resistance of the thermistor in the experiment as the temperature approached absolute zero? 6. What characteristics of the thermistor make it flexible a temperature transducer?
The resistivity of a metal increases slightly with increased temperature. This can be expressed as p=po [1+ a(T-To)], where To is a reference temperature, usually 20°C, and a is the temperature coefficient of resistivity. For copper, a=3.9x 10-3 °C-1. Suppose a long, thin copper wire has a resistance of 0.25 at 20°C. Part A At what temperature, in °C, will its resistance be 0.25 ? T= Submit 5 ΑΣΦ V Request Answer ? °C
Solve the following Physics problem. Show your solutions. Round off your final answer in a whole number. An electric flat iron draws a current of 15 A when connected to a 110 V line. (A.) Assuming that the heating element of the flat iron obeys Ohm’s Law, what is its resistance? (B.) What is the resistivity of the heating element if it is a wire that is 2.5 cm long with cross-sectional area of 2x10-4 cm long.
Activity 1- Problem Solving Solve the following problems involving the relationship of current, charges, and time from this equation I=Q/t. Show your complete solution. A total charge of 9.0mC passes through a cross-sectional area of nichrome wire in 3.5s. What is the current in the wire? How many electrons pass through the cross-sectional area in 10.0s? If the number of charges that pass through the cross-sectional area during the given interval doubles, what is the resulting current?