Two parallel wires 20 cm apart carry currents of 18 A in the same direction. What is the magnetic field (in T) halfway between them? Round your answer to 2 decimal places.
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- A lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic field 90 m from the bolt? Suppose that the bolt extends far above and below the point of observation.A cosmic ray electron moves at 7.60 ✕ 106 m/s perpendicular to the Earth's magnetic field at an altitude where field strength is 1.00 ✕ 10−5 T. What is the radius (in m) of the circular path the electron follows?A wire carries I1=7.96 A current along the x-axis, and another wire carries an I2=1.15 A current along the y-axis, as shown in the figure below. What is the magnitude of magnetic field at point at x = 0.400m , y = 0.300m? The magnitude of the net magnetic field at point P is?(Note : mu T=10^ -6 T) .
- A proton moving in a circular path perpendicular to a constant magnetic field takes 2.40 µs to complete one revolution. Determine the magnitude of the magnetic field.1. A proton has velocity v = (40,000 i +30,000 j) m/s as it enters a uniform magnetic field B-70 µT 1. What are (a) the radius of the helical path taken by the proton and (b) the pitch of that path? (c) To an observer looking into the magnetic field region from the entrance point of the proton, does the proton spiral clockwise or counterclockwise as it moves?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 lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic field 110 m from the bolt? Suppose that the bolt extends far above and below the point of observation.A lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic field 50 m from the bolt? Suppose that the bolt extends far above and below the point of observation.Two long parallel wires 79.4 cm apart are carrying currents of 12.6 A and 28.1 A in the opposite direction. What is the magnitude of the magnetic field halfway between the wires?
- 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 lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic field 110 m from the bolt? Suppose that the bolt extends far above and below the point of observation.a) At what speed (in m/s) will a proton move in a circular path of the same radius as an electron that travels at 7.45 ✕ 106 m/s perpendicular to the Earth's magnetic field at an altitude where the field strength is 1.25 ✕ 10−5 T? b) What would the radius (in m) of the path be if the proton had the same speed as the electron? c) What would the radius (in m) be if the proton had the same kinetic energy as the electron? d) What would the radius (in m) be if the proton had the same momentum as the electron?