Plane y = 1 carries current K = 50a, mA/m. Find H a (a) (0, 0, 0) (b) (1,5,-3) Answer: (a) 25a, mA/m, (b)-25a, mA/m.
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- Why do parallel currents attract? Include a diagram that shows the magnetic field and magnetic force of the first wire on the second wire.The figure below indicates that I and I2 are in opposite direction. they have magnitude of 3A and 5A consecutively. they are also at radiuses 2m and 4m consecutively. What is the magnetic field magnitude? of I2 ENG 4) G 7/TVCurrent Attempt in Progress At New York City, the earth's magnetic field has a vertical component of 5.20 x 105T that points downward (perpendicular to the ground) and a horizontal component of 1.80 x 105T that points toward geographic north (parallel to the ground). What is the magnitude of the magnetic force on a 6.18-m long, straight wire that carries a current of 13.8 A perpendicularly into the ground? Number Units
- Explain the difference between similar (uniform) and dissimilar (non-uniform) magnetic fields. Please answer. ASAPThe copper sheet shown below is partially in a magnetic field. What happens when it is pulled to the right (select all that apply)? O The copper sheet feels an opposing force to the left Copper is a nonmagnetic material, so it is unaffected by the magnetic field The copper sheet feels a net torque in the direction parallel to its direction of motion A clockwise electric current flows in the copper sheet13. You have the apparatus shown in Figure P21.13. A circular metal plate swings past the north pole of a permanent magnet. The metal consists of a series of rings of in- creasing radius. Indicate the direction of the current in one ring (a) as the metal swings down from the left into the magnet- ic field and (b) as the metal swings up to- ward the right out of the magnetic field. Use Lenz's law to justify your answers. Figure P21.13 Metal plate Magnet N
- a) The figure shows the motion of a positive particle moving in a magnetic field, similar to what was observed in our lab. The force on the particle and its velocity are indicated in the figure. What is the direction of the magnetic field? F b) In what direction should you move the magnet so as to induce the counterclockwise current shown? Draw an arrow indicating this direction. counterclockwise induced current v =? N SWhat is the largest force that the Earth’s magnetic field (here in Vancouver) could exert on an electron moving at a walking speed? Explain what direction the electron would have to move in to get the largest possible force.* Maps O Advertisement 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Io tne iert 14 A magnetic field strength of 4.3 µT is measured at 80.0 mm from a wire. How much current is being carried by the wire? (3 significant figures and scientific notation if appropriate) The two wires shown are separated by 2 cm. Each wire produces a magnetic field of strength 3 T at a distance of 2 cm. What is the magnitude of the net magnetic field strength at a point P, which is 2 cm to the left of the 15 1 1,? La tv MacBook Pro G Search or type URL #3 2$ & 3 7 8. W Y U P D F G H J K L ...- く O %24