A straight stream of protons passes a given point in space at a rate of 2.5x10° protons/s. Part A What magnetic field do they produce 2.7 m from the beam?
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- -27 A 180 V battery is connected across two parallel metal plates of area 28.5 cm² and separation 9.20 mm. A beam of alpha particles (charge +2e, mass 6.64 × 10- is accelerated from rest through a potential difference of 1.75 kV and enters the region between the plates perpendicular to the electric field, as shown in . Part A What magnitude of magnetic field is needed so that the alpha particles emerge undeflected from between the plates? Express your answer with the appropriate units. |B| = = μA Value Units wwwwwwww ? kg)A 68.0-cm-diameter cyclotron uses a 450 V oscillating potential difference between the dees. Part A What is the maximum kinetic energy of a proton if the magnetic field strength is 0.740 T? Express your answer with the appropriate units. Value Submit Part B μA Submit Units Request Answer IV—| ΑΣΦ 3 How many revolutions does the proton make before leaving the cyclotron? ? Request Answer ?Part A A long, straight wire carries a current of 5.20 A. An electron is traveling in the vicinity of the wire. At the instant when the electron is 4.40 cm from the wire and traveling with a speed of 5.90×104 m/s directly toward the wire, what is the magnitude of the force that the magnetic field of the current exerts on the electron? ΑΣφ F = N Submit Request Answer Part B What is the direction (relative to the direction of the current) of this force? opposite to the current in the same direction as the current O perpendicular to the current Submit Request Answer оо
- An electron accelerated from rest through a voltage of 770 V enters a region of constant magnetic field. Part A If the electron follows a circular path with a radius of 18 cm, what is the magnitude of the magnetic field? Express your answer using two significant figures. % AED ? B- T Submit Request AnswerAn electron travels with speed 1.3×107 m/s between the two parallel charged plates shown in the figure. The plates are separated by 1.0 cm and are charged by a 200 V battery. Part A What magnetic field strength will allow the electron to pass between the plates without being deflected?Express your answer in tesla. Part B What is the direction of the magnetic field?A UpB DownC Out of the pageD Into the pageFigure 10° 10° Part A A long, straight wire with linear mass density of 60 g/m is suspended by threads, as shown in the figure ( Eigure 1). There is a uniform magnetic field pointing vertically downward. A 11 A current in the wire experiences a horizontal magnetic force that deflects it to an equilibrium angle of 10°. What is the strength of the magnetic field B? Express your answer in tesla. B= Submit ΤΟΠΙ ΑΣΦ Provide Feedback Request Answer T Next >
- ▸ Part A What value of magnetic field would make a beam of electrons, traveling to the right at a speed of 5.4×100 m/s. go undeflected through a region where there is a uniform electric field of 9400 V/m pointing vertically up? Express your answer to two significant figures and include the appropriate units. B = 1.7x10-3 T Submit ✓ Correct Part B Previous Answers Part C What is the frequency of the circular orbit of the electrons if the electric field is turned off? Express your answer to two significant figures and include the appropriate units. HA f- Value Submit Request Answer Units ?A pair of point charges, q=+8.50 C and g'= -5.50 μC, are moving as shown in the figure (Figure 1) with speads = 9.50-104 m/s and v' = 7.00-10 m/s. The charges are at the locations shown in the figure. Figure 1.300 m 0 0.400 m ▸ Part A What is the magnitude of the magnetic field produced at the origin? Express your answer in teslas. 15] ΑΣΦ ? + √x √x XX IXT 10 B- 1.094 10- Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Part C What is the magnitude of the magnetic force that q' exerts on g? Express your answer in newtons. ΤΕΙ ΑΣΦ ? P= Submit Request Answe NA proton with a kinetic energy of 4.8x10-16J moves perpendicular to a magnetic field of 0.36 T. Part A What is the radius of its circular path? Express your answer using two significant figures. V ΑΣΦ ? cm Submit Request Answer
- Two long, parallel wires are separated by 2.8 m. Each wire has a 32-A current, but the currents are in opposite directions. A. Determine the magnitude of the net magnetic field midway between the wires. B. Determine the magnitude of the net magnetic field at a point 1.4 m to the side of one wire and 4.2 m from the other wire. The point is in the same plane as the wires.Review I Constants What is the largest possible magnitude of the acceleration of the electron due to the magnetic field? An electron moves at 2.20 x 10° m/s through a region in which there is a magnetic field of unspecified direction and magnitude 7.00 x 10-2 T. Express your answer with the appropriate units. HẢ ? Value Units a = Submit Request Answer Part B What is the smallest possible magnitude of the acceleration of the electron due to the magnetic field? Express your answer with the appropriate units. HẢ Value Units a = Submit Request Answer Part C If the actual acceleration of the electron is one-fourth of the largest magnitude in part A, what is the angle between the electron velocity and the magnetic field? Express your answer in degrees to three significant figures.Part A Determine the magnitude of the force on an electron traveling 6.25x105 m/s horizontally to the east in a vertically upward magnetic field of strength 0.25 T . Express your answer to two significant figures and include the appropriate units.