Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A square coil of containing a single turn is placed in a uniform 0.30 T magnetic field, as the drawing shows. Each side has a length of 0.30 m, and the current in the coil is 12 A. Determine the magnitude of the magnetic force on each of the four sides.
1.top N
2. bottom N
3. left N
4.right N
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A particle of mass 7.00 x 10-8 kg and charge 8.8 uC is traveling due east.It enters perpendicularly a magnetic field whose magnitude is 30.0 T. After entering the field, the particle completes one-half of a circle and exits the field traveling due west.How much time does the particle spend traveling in the magnetic field?
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A charged particle moves through a velocity selector at a constant speed in a straight line. The electric field of the velocity selector is 4.25x103 N/C, while the magnetic field is 0.360 T. When the electric field is turned off, the charged particle travels on a circular path whose radius is 4.45 cm. Find the charge-to-mass ratio of the particle. C/kg
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
An u- particle has a charge of +2 e and a mass of 6.64x10-27 kg. If is accelerated from rest through a potential difference that has a value of 1. 02x106 V and then enters a uniform magnetic field whose magnitude is 3.50 T.The u- particle moves perpendicular to the magnetic field at all times.
(a) What is the speed of the u-particle? m/s
(b)What is the magnitude of the magnetic force on it? N
(c) What is the radius of its circular path? m
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A charge particle enters a uniform magnetic field and follows the circular path shown in the drawing.
(a)Is the particle positively or negatively charged?
1.positive
2.negative
3.electrically inert
Why?
(b) The particle,s speed is 110 m/s, the magnitude of the magnetic field is 0.52 T, and the radius of the path is 960 m. Determine the mass of the particle, given that its charge has a magnitude of 8.2 x 10-4 C. kg
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A particale with a charge of +8.4 uC and a speed of 45 m/s enters a uniform magnetic field whose magnitude is 0.30 T. For each of the cases in the drawing, find the magnitude and direction of the magnetic force on the particle.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
In a television set,electrons are accelerated from rest through a potential difference of 22 kV. The electrons then pass through a 0.30 T magnetic field that deflects them to the appropriate spot on the screen. Find the magnitude of the maximum magnetic force than an electron can experience....N
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
At a certain location, the horizontal component of the earth,s magnetic field is 2.60x 10-5 T, due north.A proton moves eastward with just the right speed, so the magnetic force on it balance its weight. Find the speed of the proton. m/s
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A current element (length=1.0 cm) lies along the x axis with its center at x=0 and carries a 20-A current in the positive x direction. Consider only the field of this current element and decide which combination of the following statements is correct.
a. The field at (0,0,1.0m) is in the positive z direction.
b. The field at (0,1.0 m,0)is in the negative y direction.
c.The field at (1.0 m,0,0)is zero.
d.The field at (0,0,1.0m) is in the negative y direction.
1.3 and 4
2.1 and 3
3.2 and 4
4.1 and 2
5.None of these
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
An electrical field of magnitude 2.0 x 10^4 N/C exists perpendicular to the Earth,s surface on a day when a thunderstorm is brewing. A car of rectangular size 6.0 m by 3.0 m is traveling along a roadway sloping down at 10 degrees. Determine the electric flux through the bottom of the car.
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A simple generator has a 360-loop square coil 15.0 cm on a side. How fast must it turn in a 0.750-T field to produce a 125-V peak output? rev/s
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A simple generator has a 360-loop square coil 15.0 cm on a side. How fast must it turn in a 0.750-T field to produce a 125-V peak output? rev/s
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A 510-turn solenoid, 13 cm long, has a diameter of 2.1 cm . A 9-turn coil is wound tightly around the center of the solenoid.If the current in the solenoid increases uniformly from 0.0 to 6.0 A in 0.80 s, what will be the induced emf in the short coil during this time?
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A 13.4-cm -diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.93 T pointing up.During the course of 0.23 s, the field is changed to one of 0.15 T pointing down. what is the average induced emf in the coil?
Physics Magnetism,Magnetic Effects Of Current Level: Misc Level
A 9.0- cm- diameter circulater loop of wire is in a 1.60-T magnetic field. The loop is removed from the field in 0.25 s. What is the average induced emf?
