Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 35, Problem 4PLA
To determine
The magnitude of the
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A proton is travelling through a bubble chamber in a direction perpendicular to the chamber's uniform magnetic field of 0.7 T. If its path follows a circle of radius 160 μm, how fast is it going, in m/s? Be clear and show all your work.
Solenoids and electromagnets are widely used in power generation and distribution. A solenoid formed from a length of wire has 80 turns. The solenoid carries a constant current of 13 Aand the strength of the magnetic field produced is measured to be 3×10-3 T at its center. What is the length of the wire that forms the solenoid? Show your work.
Although the net force produced by a magnetic field on a closed loop of a wire is zero, the loop has a net torque. A square loop of wire with sides of length 12 cm and carrying a current of 9A is placed inside a magnetic field with magnitude of 5T. What is the maximum magnitude of torque on the loop? Show your work.
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Physics Laboratory Manual
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- A proton is travelling through a bubble chamber in a direction perpendicular to the chamber's uniform magnetic field of 0.7 T. If its path follows a circle of radius 160 μm, how fast is it going, in m/s? Show all your work.arrow_forwardAn electron moves with an unknown velocity through a magnetic field of 1.56 T that points directly east. The electron experiences a force of 6.24 x 10-15 N directly south. What is the magnitude and direction of the velocity? Show your work. (The charge of an electron is -1.6 x 10-19 C) also explain the basic workings of an engine. Be sure to discuss the engine in terms of thermodynamic terminology. Give two examples of engines.arrow_forwardA mass spectrometer is a device that can sort ions based on their mass to charge ratio. Given the incoming particle is a proton with a horizontal speed of 1.3x108 m/s, and the magnetic field strength is 0.9 T, what would the radius of the proton's path be, in meters? Be clear and show all your work.arrow_forward
- An electron is shot at 3.20 x 10^5 m/s at right angles into a uniform magnetic field with a strength of 2.00 x 10^-5 T. How would you find the magnetic deflecting force on the electron? Please show all steps. Thank you!arrow_forwardIn the diagram at right, an uncharged conducting bar is moving with constant velocity v to the left through a region where there is a uniform magnetic field pointing out of the page. What charge distribution will the bar have, as a result of its motion? B out of page The bottom of the bar will have positive charge, and the top of the bar will have negative charge. The bar will remain electrically neutral at all points. The top of the bar will have positive charge, and the bottom of the bar will have negative charge. The right side of the bar will have positive charge, and the left side of the bar will have negative charge. The bar will gain a net positive charge, distributed uniformly along its length. The bar will gain a net negative charge, distributed uniformly along its length, The left side of the bar will have positive charge, and the right side of the bar will have negative charge.arrow_forwardA square loop that is .5 m on a side has 20 turns and carries a current of 3 A The loop lies in the x-y plane. An external field of 5 T is uniform and points in a direction that is 30 degrees from the z-axis. (a) Find the magnetic dipole moment of the loop. (b) Find the torque on the loop. Show your work.arrow_forward
- Two point charges of 7.5 µC were placed 25 mm from one another. What is the magnitude and direction of the force produced? Show your work.arrow_forwardWhat length of wire will experience 12 N force within a magnetic field of 2.5 µT while car- rying 7.35 A of current? Show your work.arrow_forwardIn the figure, a wire of length L = 17.8 cm carrying current I = 0.25 A and a circular loop of radius R = 4.45 cm carrying a current I = 0.25 A. What are the magnetic field's magnitude and direction at the point P due to the wire and loop? (p is perpendicular to the wire's bisector and the center loop) (show all your work)arrow_forward
- The Earth's magnetic field points due north with a strength of 60 uT. How fast and in what direction would an electron have to go to float, that is for the magnetic force to exactly balance out the electron's weight? Show your work. Edit Format Table 12pt v Paragraph v BIUA ev T'v|| E Ev =arrow_forwardThe loop of wire shown in (Figure 1) forms a right triangle and carries a current I = 6.00 A in the direction shown. The loop is in a uniform magnetic field that has magnitude B = 3.50 T directed into the screen.What is the magnitude of the net torque on the loop? Calculate the net torque from the torques calculated in part C and also from τ=NIABsinϕ.Express your answer in newton-meters. Enter your answers numerically separated by commasarrow_forward4. 0/10 POINTS PREVIOUS ANSWERS SERPSE10 31.4.P.026.MI. MY NOTES ASK YOUR TEACHER Two solenoids A and B, spaced close to each other and sharing the same cylindrical axis, have 300 and 560 turns, respectively. A current of 3.60 A in solenoid A produces an average flux of 300 µWb through each turn of A and a flux of 90.0 µWb through each turn of B. (a) Calculate the mutual inductance of the two solenoids. 25 Your response differs from the correct answer by more than 10%. Double check your calculations. mH (b) What is the inductance of A? (c) What is the magnitude of the emf that is induced in B when the current in A changes at the rate of 0.500 A/s? Need Help? Read It Master Itarrow_forward
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