What is the maximum magnetic field strength (Bmax)? What is the magnetic field strength at a point where E =(650V/m,down)?
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What is the maximum magnetic field strength (Bmax)?
What is the magnetic field strength at a point where E =(650V/m,down)?
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- If the protons are moving in a circular orbit with a radius of 5.1 cm under a 0.566 T magnetic field, what is the electric field strength in MV/m (mega Volts per meter) that must be applied to make the path of motion linear?Figure 1: CRT with coils in Helmholtz configuration. The hot cathode emits electrons which are then accelerated through potential difference Vacc. When the electrons enter the magnetic field B, which is perpendicular to their velocity, they move on a circular path with radius r. The magnetic field is due to coils in Helmholtz configuration (2 coils separated distance that equals their radius). The magnetic field due to one of the coils with radius R, at a point on the axis distance z away from the center of the coil, was found using the Biot-Savart law: HOIR?N B1 2(R2 + z2)žA velocity selector in a mass spectrometer, like the one shown below, uses a 0.133 T magnetic field.a. What electric field strength is needed to select a speed of 4.93*10^6 m/s?b. What is the voltage between the plates if they are separated by 1.00 cm?
- Magnetic fields within a sunspot can be as strong as 0.4 T. (By comparison, the earth’s magnetic field is about 1/10,000 as strong.) Sunspots can be as large as 25,000 km in radius. The material in a sunspot has a density of about 3 x 10-4 kg/m3 . Assume m for the sunspot material is µ0. If 100% of the magneticfield energy stored in a sunspot could be used to eject the sunspot’s material away from the sun’s surface, at what speed would that material be ejected? Compare to the sun’s escape speed, which is about 6 x 105 m/s.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.me: 3. a. Draw Electric and Magnetic Field lines: Please differentiate between them. b. What would the separation between these objects, one carrying 1 C of positive charge and the other 1 C of negative charge, have to be if the electrical force on each was precisely 1 N? used in Hydrogen. ar the absorbed I I oton? Bus vrs. (6 rints) WLLS? I What is the esiste une light bulbs in ohms? D. What is ne pow consumed by the light bulb i c. If tw identic slide projectors are connected in par Vit Jurce nat is the total current draw c + project draw current 5/04/2023 peres when operating on uss th state Souce? same 1
- Determine the initial direction of the deflection of chargedparticles as they enter the magnetic fields, as shown in FigureP19.4.Consider a straight conductor of length 15 cm. The conductor moves at right angles to a magnetic field of uniform strength B = 10-³ T generating e.m.f. of 2,5 x 10-5 V. Calculate the velocity of the straight conductor. Give your answer in Sl units. Answer: m/s ♦wrong
- 1. An alpha particle is accelerated from rest through a potential difference of 5 kV. It is sent into a mass spectrometer with magnetic field of 0.1 T. What is the radius of its path through the mass spectrometer?Please provide correct answers. Use the following constants if necessary. Coulomb constant, k = 8.987×10^9 N⋅m^2/C^2 . Vacuum permitivity, ϵ0= 8.854×10^−12 F/m. Magnetic Permeability of vacuum, μ0 = 12.566370614356×10^−7 H/m. Magnitude of the Charge of one electron, e = −1.60217662×10^−19 C. Mass of one electron, m_e = 9.10938356×10^−31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, μC means microcoulomb .