A copper wire has a circular cross section with a diameter of 8.11 mm. If the wire carries a current of 1.45 A, find the drift speed (in m/s) of electrons in the wire. (Take the density of mobile charge carriers in copper to be n = 1.10 X 1029 electrons/m3 and charge of electron to be q = 1.61 X 10-19 C). Area of a circle = pir^2
Q: A soccer player kicks the ball toward a goal that is 11.0 m in front of him.the ball leaves his foot…
A: Distance, d = 11.0 m Velocity, v = 11.6 m/s Angle, θ = 33.0 degrees
Q: The drawing shows a square, each side of which has a length of L = 0.250 m. Two different positive…
A:
Q: Find the total Coulomb force on the charge q in the figure below, given that q = +1.05 pc, da…
A: Draw the free-body diagram of the system.
Q: You are designing the section of a roller coaster ride shown in the figure. Previous sections of the…
A: Given:- The initial speed of the sider at the top of the incline is u = 11.3 m/s the height of the…
Q: Across what potential difference must an electron, initially at rest, move to attain a speed of…
A: Particle = electron mass of electron (m) = 9.11×10-31 kg initial velocity (u) = 0 msfinal velocity…
Q: A 1.52 m wide by 2.03 m long mattress weighs 294 N. Find the pressure that the mattres exerts on the…
A: Given: Width of mattress b=1.52m, Length of mattress l=2.03 m, Weight of mattress W=294 N. Required:…
Q: If the density of an object is 16.8 g/cm?, then what is the approximate volume (V) of 800 g of this…
A: Given value--- density = 16.8 g/cm3. mass = 800 g. We have to find--- volume ?
Q: Calculate the magnitude of the force on an electron moving at (8.0x10^0)×106 m/s at an angle of…
A: Required : Force on electron
Q: The figure below shows two points in an electric field. Point 1 is at (X₁,Y)=(3,4), and point 2 is…
A: Given point 1 (x1,y1)=(3,4)point 2 (x2,y2)=(12,9) Electric field E=80.3V/m potential at point 1 is…
Q: Exercise 3 Using Gauss's law, determine the electric field created by an infinite wire with linear…
A:
Q: (a) Three point charges are located on the circumference of a circle of radius r, at the angles…
A: The electric field due to a point charge q at distance r m is given as kq/r2 where k is the…
Q: Find the total force necessary to give each mass the given acceleration. m= 15.0 kg, a 2.00 m/s² = m…
A: According to the given question, here is the solution
Q: A shopper standing 2.7 m from a convex security mirror sees their own image with a magnification of…
A: Given:- The shopper standing at a distance u = -2.7 m from the convex mirror The magnification of…
Q: Protons are projected with an initial speed v, -9.95 km/s from a field-tree region through a plane…
A: To calculate the required angle of the proton. Given:The initial speed: vi=9.95 km/s=9.95×103…
Q: is the diameter of the field the same when observing the specimen under high power and low power?
A: Answer - Magnification - Enlargement or magnification of a specimen is the function of a two-lens…
Q: The moon of a certain planet is observed to have a nearly circular orbit of radius 3.89∗10^5 km, and…
A:
Q: -0.420 m) and along its axis is given by E- - 200(1-√²+R). where ro8.85 x 10-12 c²/(N m²) is the…
A: The magnitude of the potential point at a specific point per unit charge is the electric potential…
Q: The electric field is constant over each face of the cube shown in the figure (Figure 1). Figure 10-…
A:
Q: 9. A boy of mass 45 kg on ice skates throws a 0.5 kg snowball in front of him at a velocity of 2.4…
A:
Q: 17. What is the magnitude of the magnetic flux for a loop of wire if the following is true? Radius =…
A:
Q: Answer only if you are 1000% sure,Do not guess. 1) A ball is thrown vertically upwards when it…
A: Given:- A ball is thrown vertically upwards when it reaches the height maximum .
Q: To measure her speed, a skydiver carries a buzzer emitting a steady tone at 1800 Hz. A friend on the…
A: Given:- A skydiver carries a buzzer emitting a steady tone at a frequency of f= 1800 Hz. The…
Q: es/11989/quizzes/7063//take A 3.00-m-long ladder, weighing 200 N, rests against a smooth vertical…
A:
Q: A transformer has a voltage in the primary coil of 3877 V and a voltage in the secondary coil of 745…
A:
Q: A loaded railroad car of mass m is rolling at a constant velocity Vo when it couples with a massless…
A:
Q: Purpose: To determine g experimentally (and check mass dependence). 50cm Brass m₁ Trial 1 2 3 4…
A:
Q: In the figure (Figure 1), each capacitor has 5.00 μF and Vab34.0 V. Figure C₁ C₂ C₂₁ HE C₁ d Y Part…
A:
Q: A solenoid of radius 3.50 cm has 520 turns and a length of 25.0 cm. Find its inductance and the…
A: Radius, r = 3.50 cm = 0.035 m Number of turns, n = 520 Length, l = 25.0 cm = 0.25 m Emf, ε = 0 mV
Q: 14. Light of wavelength is normally incident on a diffraction grating G. On the screen S, the…
A: The condition for nth order maxima is dsinθ=nλ For this problem, first order maximum i.e n=1 so,…
Q: Two point charges, +2.70 µC and -7.40 μC, are separated by 1.70 m. What is the electric potential…
A:
Q: d) How much 5°C cold water does she need to fill in the bathtub for the mixture to become 38°C? E)…
A: If no heat is lost to the surroundings, the amount of heat acquired by the cold body equals the…
Q: The voltage across a 2.5-µF capacitor in a copying machine is zero. What is the voltage after 15 ms…
A:
Q: The ammonia molecule (NH₂) has a dipole moment of 5.0 x 100C-m. Ammonia molecules in the gas phase…
A:
Q: Multiple-Concept Example 4 deals with the concepts that are important in this problem. As…
A:
Q: 4. A 3 kg rifle fires a 0.002 kg bullet with a recoil velocity of 1 m/s. What is the velocity of the…
A: Mass of Rifle=M= 3 kg Mass of Bullet=m=0.002 kg Recoil velocity=1 m/s And As bullet sits in the…
Q: An object moving with uniform acceleration has a velocity of 12.0 cm/s in the positive x direction…
A: Given the data Initial velocity is U=12 cmsS=25-3S=22 cmt=2 sec
Q: What is the speed of a beam of electrons (in SI units) that go undeflected when passing through…
A:
Q: The drawing shows a square, each side of which has a length of L = 0.250 m. Two different positive…
A: Calculate the diagonal length of the square. d=L2+L2d=2Ld=2(0.250 m)d=0.3535 m
Q: Majority of historians believe that the Scientific Revolution started with a revolution in astronomy…
A: Nicolas Copernicus was a Polish astronomer who revolutionized the field of astronomy with his…
Q: At the instant illustrated, car B has a speed of 33 km/h and car A has a speed of 42 km/h. Determine…
A:
Q: Radios often utilize a variable capacitor in series with an inductor to tune the circuit to a…
A:
Q: In the figure below, the blue wire has a current I = 25 A. The red loop is a square with sides that…
A: Given:- The blue wire has a current I=25 A The side length of the red square loop is L= 42 cm long…
Q: 3.0 N 4.0 N 3.0 N y 2.0 N ·x
A:
Q: Find the power delivered to each resistor.
A:
Q: How many calories are in a candy bar containing 919,600 j f energy? [?] Cal
A: We are given a candy bar. We are also given the amount of energy present in the bar in Joules. We…
Q: Identical 45 µC charges are fixed on an x axis at x = ±3.2 m. A particle of charge q = -15 μC is…
A:
Q: 13.60 A 500-g collar can slide without friction on the curved rod BC in a horizontal plane. Knowing…
A:
Q: wo point charges, +2.60 μC and -7.10 μC, are separated by 2.10 m. What is the electric potential…
A: Given value--- q1 = 2.60 micro C. q2 = - 7.10 micro C. r = 2.10 m. We have to find--- net…
Q: What force would be needed to stretch the spring a distance of 19 cm from its unstretched length,…
A:
Q: A 1,480-N crate is being pushed across a level floor at a constant speed by a force F of 220 N at an…
A:
Step by step
Solved in 3 steps with 3 images
- A 10-gauge copper wire has a cross-sectional area A=5.26mm2 and carries a current of I=5.00A . The adensity of copper is =89.50g/cm2 . One mole ofcopper atoms (6.021023atoms) has a mass ofapproximately 63.50 g. What is the magnitude of the drift velocity of the elections, assuming that each copper atom contributes one free electron to the current?A student woants to identify the Resistivity of a conducting wire of unknown material. Resistivity is a property of a material that quantifies how strongly it conducts electric current, and it is formulated as, of p= R4 where R is the Resistance (ohms), A cross-sectional area (meters-squared) and I is the length (meters) of the wire. The student runs an experiment on a cylindrical wire of a length l of 2 centimeters and the cross- sectional area A of the wire is 6.1 centimeters-squared. The measurements of the Current is as below Dataset Voltage (Applied, Volts) Current (Measured, Amperes)mid 9634&page 3 A conductor has a cross-sectional area of 2.3x 10 m and the number of free electrons per unit volume is 8.5x 104 electron/m'. When the current is 10.2 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x 10 C. Select one: OA. 0.43 OB. 0.33 OC. 32.61 OD. 0.22 OE. 42.81 page Next page 9:03 P A OD A de ENG 4/30/20 nert 17 V Badapace Nom Sok Y 7 GYH K 4. 15 Enter BYN M 1 Shift End Ead
- QUESTION 3 A copper wire of cross-sectional area 1.0 mm2 has a current of 2.0 A flowing along its length. Given the mass density of copper is 9.0 g/cm3 and its atomic mass is 64 g/mol. Assume 1.3 conduction electrons per copper atom. (a) Find the number of conducting electrons per unit volume of the copper wire. (b) What is the drift speed of the conduction electrons?An 18 gauge copper wire (diameter 1.02 mm) carries a current with a current density of 2.90×10^6 A/m2. The density of free electrons for copper is 8.5×10^28 electrons per cubic meter. Calculate the current in the wire. Express your answer with the appropriate units. Calculate the magnitude of the drift velocity of electrons in the wire. Express your answer with the appropriate units.Q1 /A piece of metal is its length 5m and its cross-sectional area 0.5 mm^2 and the specific resistance of the metal is 81.6*10^6 Q– m Note that the density of The substance is 8.96 kg/m^3 and the atomic weight 63.54 calculate: 1) Calculate the motion of the electron (H). 2) Calculate the mean free time (7). 3) If you know that the density of electrons along the x-coordinate increases according to the relationship n = 1030 + 8 * 1033x + 15 * 1036 x2 The temperature is 290k, so what is the value of the diffusion current Id at the metal surface x=0 3) If the value of the propagation current is Id at the distance x From the surface of the metal are 91.2*10^10 A/m2 What is the value of x
- A conducting sphere of radius a = 50 cm is grounded with a resistor R = 15 as shown below. The sphere is exposed to a beam of electrons moving towards the sphere with the constant velocity v = 5 m/s and the concentration of electrons in the beam is n = 3.2×1018 m-³. How much charge per second is received by the sphere (find the current)? Assume that the electrons move fast enough. R 。mer The current, I = 8.04096 X Units A Find the maximum charge on the sphere. The maximum charge, Q Units nC - ea) If the electron concentration increase along the x-axis of a conductor as shown in equation below: n= 3. 10"x + 2. 10"x + 1020 And D = 1.2 x 10-m/s. Find the diffusion current at x = 5mm?The current density in a cylindrical conductor of radius 2mm is: J = 10³e¬400r Find the current through the cross section of the conductor. az A/m²
- ostro Imssb1.mutah.edu.jo/r A conductor has a cross-sectional area of 2.3x 10-6 m2 and the number of free electrons per unit volume is 8.5x 1028 electron/m. When the current is 9 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x 10-19 CShown below is a copper wire with the following characteristics: Diameter: 1.45 mm.00145m 1.45 × 10-8 m Number density of electrons: 8.47 x 1028 electrons/m³. Conductivity: 5.96 x 107 S/m a. Calculate the drift velocity (magnitude and direction) of the electrons in the wire when a current of 5.00 A is running through it. b. What direction is the current moving? c. Remembering that current density is a vector, calculate the magnitude and direction of the current density of this wire. d. Calculate the resistivity of the wire. e. Calculate the resistance of this wire if it were 10.0 m in length.A current of one amp passes through a wire of cross sectional area 1 cm?. The number of electrons pass through that area per second is given by 6.24 x 10° s-1. What is the value of a? 22