An electron moves at a speed of 520 m/s perpendicular to the direction of a uniform magnetic field of 0.7 T. What is the radius of the electron's circular orbit in units of nanometers (1 m = 109 nm)? (in units of nanometers)
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- 1. An electron has a velocity v = (2 x 106 m/s) i +(3.0x 106 m/s)j moves through a uniform magnetic field B = (0.030 T) ? - (0.15 T)j. (a) Find the force on the electron due to the magnetic field. (b) mass of electron is 9.11 x 10-31 kg what will be the radius of the circular path for the electron in the magnetic field?A charged particle with a charge to mass ratio of 5.7E8 C/kg travels on a circular path that is perpendicular to a magnetic field whose magnitude is 0.84 T. How much time does it take for the particle to complete one revolution?An electric device delivers a current of 4 A to a device. How many electrons flow through this device in 8 s? (e = 1.60 x 10-19 C) At what distance, in centimeters, from the central axis of a long straight thin wire carrying a current of 5.0 A is the magnitude of the magnetic field due to the wire equal to the strength of the Earth's magnetic field of about 5.0 x 10-5 T? (HO = 47 x 10-7 T m/A) %3D
- A positive charge traveling with a speed of 9,678 m/s enters the deflection chamber of a mass spectrometer. In the deflection, chamber exists a uniform magnetic field of 0.55 T. The charge undergoes a deflection with a radius of curvature that is 0.024 m. If the charge is 1.602 x 10-19 C, what is its mass in atomic mass units*?Problem 5: An electron (q= -e = -1.60 × 10-19 C and me = 9.11 × 10-31 kg) in a cathode-ray tube is accelerated through a potential difference of 10 kV. Thus, the electron leaves the cathode-ray tube with a speed v = 5.93 × 107 m/sec. The electron then passes through the 2.0 cm wide region of uniform magnetic field (shown in the Figure above on the right). What field strength will deflect the electron by 10°? Answer: B = 0.0029 T. OV 10 kV 2.0 cm 10°A short current line carrying I₂ = 4 A is placed on the same plane with a very long one carrying I₁ = 4 A as shown in the figure. The dimensions of the short wire and its position are given as a = 0.5 m, b = 0.4 m and c = 0.8 m. What is the y component of the magnetic force on the short wire in nano- Newtons? (Take Ho = 4 x 10 T-m/A.) O-2560.00 O -1280.00 O 2560.00 O-640.00 O 1280.00 2 b Time left 0:35:59
- At what distance from the central axis of a long straight thin wire carrying a current of 5.0 A is the magnitude of the magnetic field due to the wire equal to the strength of the Earth's magnetic field of about 5.0 × 10-5 T? (µ0 = 4πx 10-7 T.m/A) 5 cm 4 cm 3 cm 2 cm 1 cmYou put your sample in a mass spectrometer. The ions enter the region of uniform magnetic field B = 1.500 T, at v = 3.000 X 106 m/s. The radius of the trajectory of the ion is 2.716 cm. What is the ratio of the mass of the ion to the charge on the ion? Report your answer to 4 significant figures in units of kg/C.A wire arrying 18 amps in the z direction through a magnetic field with an x component of 0.19 T, a y component of 0.21 T, and a z component of 2.9 T. What is the magnitude of the force on a 9 meter segment of wire? answer in N.
- An electron moves at a speed of 810 m/s perpendicular to the direction of a uniform magnetic field of 0.4 T. What is the radius of the electron's circular orbit in units of nanometers (1 m = 10° nm)? (in units of nanometers)A proton is propelled at 4××1066 m/s perpendicular to a uniform magnetic field. 1)If it experiences a magnetic force of 4.8×10−13 N, what is the strength of the magnetic field? (Express your answer using two significant figures.)An electron with a speed of 2.5 x 106 m/s moves with a circle in a plane perpendicular to a uniform magnetic field. If the radius of the circle is 2.3 cm, then what is the magnitude of the field?