Part A An electron in a cathode-ray tube is accelerated through a potential difference of 10 kV, then passes through the d = 2.4-cm-wide region of uniform magnetic field in the figure(Figure 1). What field strength will deflect the electron by 0 = 11 °? Express your answer to two significant figures and include the appropriate units. HÀ ? B = 2.2 • 10 T Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Figure < 1 of 1 > Provide Feedback OV 10 kV
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- 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 ооAn electron moves at right angles to a magnetic field of 0.23 T. Part A What is its speed if the force exerted on it is 9.1x10-15 N? Express your answer using two significant figures. IVO ADC ? v = m/sIn some facilities, real-time MRI is used to monitor a treatment. This imaging allows the treatment to be adjusted to achieve optimum results. However, the devices that deliver the treatment can themselves produce magnetic fields that interfere with the imaging. In one case, a device produces a 65 T static field parallel to the 1.5 T field in the MRI machine Part A By how much does this additional field change the proton's procession frequency? Express your answer with the appropriate units. A/= Submit 309 10 HA x₂ x+10 Hz Previous Answers Request Answe 431 12
- 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 AnswerPlease help.The long, thin wire shown in the figure (Figure 1) is in a region of constant magnetic field B. The wire carries a current of 6.2 A and is oriented at an angle of 7.5° to the direction of the magnetic field. Part A If the magnetic force exerted on this wire per meter is 3.5×10-2 N, what is the magnitude of the magnetic field? Express your answer using two significant figures. VE ΑΣΦΑΙΡΟ B = 40 Submit Part B X Incorrect; Try Again; 29 attempts remaining Previous Answers Request Answer 0 = 3.7 Submit ? At what angle will the force exerted on the wire per meter be equal to 1.6×10-² N ? Express your answer using two significant figures. 197| ΑΣΦΑ Previous Answers Request Answer ? mT X Incorrect; Try Again; 29 attempts remaining
- A potential difference of 0.055 V is developed across the 10-cm-long wire of (Figure 1) as it moves through a magnetic field perpendicular to the plane of the figure. Figure 10 cm 5.0 m/s |+++ 1 of 1 Part A What is the strength of the magnetic field? Express your answer with the appropriate units. B = Submit Part B Value μÀ O to the right Request Answer What is the direction of the magnetic field? Submit out of the page to the left O into the page Provide Feedback Request Answer B Units ?Please refer to the image:Figure 1.0 cm 2.0 x 107 m/s 1.0 cm X 1 of 1 Proton Part A What is the magnetic field at the position of the dot in the following figure (Figure 1)? Give your answer as a vector. Express your answer in terms of the unit vectors i, j, and k. Use the 'unit vector' button to denote unit vectors in your answer. ΠΫΠΙ ΑΣΦ B = Submit Provide Feedback Request Answer ? T
- 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.The magnetic force exerted on a 1.2 m segment of straight wire is 1.5 N. The wire carries a current of 3.1 A in a region with a constant magnetic field of 0.51 T. You may want to review (Page 783). Part A What is the angle between the wire and the magnetic field? Express your answer using two significant figures. ΠΑΠ ΑΣΦ ? 0 =