Wire with current IyAElectronA long straight wire carries a current of 43.6 A. An electron, traveling at 1.00 x 10' m/s, is 7.70 cm from the wire. What force acts on theelectron if the electron's velocity is directed toward the wire? If the direction of force is perpendicular to the current, enter a negativevalue.N

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Answered: Wire with current I Electron A long…

University Physics Volume 2

18th Edition

ISBN:9781938168161

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Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 30P: Two long, straight wires are parallel and 25 cm apart. (a) If each wire carries a current of 50 A in...

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(a) What is the force per meter on a lightning bolt at the equator that carries 20,000 A perpendicular to the Earth's 3.00105-T field? (b) What is the direction of the force it the current is straight up and the Earth’s field direction is due north, parallel to the ground?
Consider a long, horizontal Large Wire with current of 10 A running through it. We want to levitate a horizontal, thin, 0.50 m length of wire above it. If the thin wire has a mass of 10 grams, and a current of 300 mA, how far above the Large Wire will it hover (net force of zero) due to magnetic and gravitational forces? A. If the thin wire hovers above the Large Wire due to their magnetic fields, are their currents going the same direction, or opposite directions. Explain. B. Draw a diagram and label the directions of currents, and all other relevant quantities and vectors. C. Find the distance above the Large Wire the small thin wire will hover (net force of zero). D. Would your answers to parts A and C change if we wanted to find a distance below (rather than above) the Large Wire that the smaller thin wire could hover, due to their magnetic fields. Explain. Don't calculate any values but draw a new diagram and explain how this situation compares to the problem above.
A very long, straight wire carries a current of 38 A in the +k direction. An electron 2.4 cm from the center of the wire in the i direction is moving with a speed of 6.82 x 106 m/s. Find the force on the electron when it moves in the following directions. 1) directly away from the wire NÎ Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 2) NĴ Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 3) NK Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 4) parallel to the wire in the direction of the current Ni Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 5) NĴ Submit You currently have 0 submissions for this question.…
Pattempt3D4 IB Time left 1:12:55 The figure shows a cross section of three parallel wires each carrying a current of 35.7 A. The currents in wires A and C are out of the paper, while that in wire B is into the paper. If the distance R 5.0 mm, what is the magnitude of the force on a 4.0 m length of wire C? R R A O a. 0.00 N O b. 127.45 mN c. 305.88 mN O d. 2.86 mN O e. 101.96 mN Next page age Introduction to itional Videos Phys102
When operated on a household 110.0 V line, typical hair dryers draw about 1650 W of power. The current can be modeled as a long, straight wire in the handle. During use, the current is about 2.15 cm from the user's hand. What is the current in the hair dryer? A What is the resistance of the hair dryer? Ω What magnetic field does the hair dryer produce at the user's hand? The permeability of free space is ?0=4?×10−7 N/A2.
Two parallel wires separated by 4.00 cm repel each other with a force per unit length of 2x10-4 N/m. The current in one wire is 5.00 A.a. Find the current in the other wire.b. Are the currents in the same or opposite direction? c. What would happen if the direction of one current were reversed and doubled?
E A charge of 1.1 C having an initial velocity of 3.91+4.1k m/s enters a region with an electric field E=3.4k N/C and a magnetic field B=4.27+3.9k T. Calculate the magnitude of the force on the charge immediately after it enters the region. Express your answer in Newtons (write just the value, not the unit), rounding to one digit after the decimal separator. Yanitinizi ekleyin.
(a) A cosmic ray proton moving toward Earth at 5.00107 m/s experiences a magnetic force of 1.70l0l6 N. What is the strength of the magnetic field if there is a 45 angle between it and the proton’s velocity? (b) Is the value obtained in part a. consistent with the known strength of Earth's magnetic field on its surface? Discuss.
Two long, straight wires are parallel and 25 cm apart. (a) If each wire carries a current of 50 A in the same direction, what is the magnetic force per meter exerted on each wire? (b) Does tire force pull the wires together or push them apart? (c) What happens if the currents flow in opposite directions?
A particle moving downward at a speed of 6.0106 m/s enters a uniform magnetic field that is horizontal and directed from east to west. (a) If the particle is deflected initially to the north in a circular arc, is its charge positive or negative? (b) If B = 0.25 T and the charge-to-mass ratio (q/m) of the particle is 40107 C/kg. what is ±e radius at the path? (c) What is the speed of the particle after c has moved in the field for 1.0105s ? for 2.0s?
(a) A 200-turn circular loop of radius SO.0 cm is vertical, with its axis on an east-west line. A current of 100 A circulates clockwise in the loop when viewed from the east. Earth’s field here is due north, parallel to the ground, with a strength of 3.0105T. What are the direction and magnitude of the torque on the loop? (b) Does this device have any practical applications as a motor?
(a) A physicist performing a sensitive measurement wants to limit the magnetic force on a moving charge in her equipment to less than 1.001012N. What is the greatest the charge can be if it moves at a maximum speed of 30.0 m/s in Earth's field? (b) Discuss whether it would be difficult to limit the charge to less than the value found in (a) by comparing it with typical static electricity' and noting that static is often absent,

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