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The wire in the drawing carries a current of 9.3 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 37 A. Use Ampere's law to find the magnitude of the magnetic field at a distance ofr = 0.94 m from the wires when the currents are (a) in the same direction and (b) in opposite directions.
a particular ideal solenoid has 1200 turnsm a radius of 10 cm and a current of 4.0 a. an electron is fired from the
1. identify three specific challenges to making direct measurements in the fields of astronomy chemistry physics or
A transformer is used to power a cell phone charging unit. If thetransformer has a primary/secondary turns ration of 40:1 and isconnected to a 120 V power source, what voltage is supplied to the charging unit?
light ray is incident normally to the long face (the hypotenuse) of a 45° -45° -90° prism surrounded by air, Calculate the minimum index of refraction of the prism
A force of 250 N is applied to a hydraulic jack pistonwith a 0.1m diameter. If the output piston, which supportsthe load, has a diameter of 0.5m, How much weight can be lifted
A rectangular loop of wire of dimensions 12 cm × 25 cm faces a long straight wire. The two long sides of the loop are parallel to the wire, What translational force does the straight wire exert on the loop
A 12.3 µC particle with a mass of 2.53E-5 kg moves perpendicular to a 1.23 T magnetic field in a circular path of radius 25.6 m. How long will it take the particle to complete one orbit
A 10cm diameter circular wire loop carries a current of 2.4A, Find the torque on the loop in a 1.2T magnetic field directed perpendicular to the loop
An amusement park ride called the Rotor consists of a room in the shape of a vertical cylinder (1.98 m inradius) which, once the riders are inside, begins to rotate,forcing them to the wall. When the room reaches a speed of onerotation every 1.56 ..
A rod of length 30.0 cm has linear density (mass per length) given by l 5 50.0 1 20.0x, What is the mass of the rod
A 0.0100 kg wire, 2.00 m long, is fixed at both ends and vibrates in its simplest mode under a tension of 185 N. What could be the frequency of the tuning fork
In a particle accelerator, a proton reaches an acceleration of 9.0 × 1013 m/s2. The mass of a proton is 1.7 × 10 -27 kg. What is the force on the proton?
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