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- 6Two identical coils of wire are connected to different power supplies. The current in coil A is 0.50 A. The current in coil B is 0.25 A. Which coil produces the largest magnetic field? Select one: a. Coil A produces the largest magnetic field because it has the highest current. b. Coil A produces the largest magnetic field because it has the lowest resistance. c. Coil B produces the largest magnetic field because it has the largest resistance. d. Coil B produces the largest magnetic field because it has the lowest current.A moving, positively charge particle enters a region that contains a uniform magnetic field as shown in the diagram below. What will be the resultant path of the particle? B. Vy y Vz = 0 Vx X a. Helical about the y-axis b. Helical about the z-axis C. Linear in the direction of the total velocity vector d. Circular in the yz-plane e. Circular in the xy plane
- A current I = 30 A is directed along the positive x-axis and perpendicular to a magnetic field. A magnetic force per unit length of 0.18 N/m acts on the conductor in the negative y-direction. Calculate the magnitude and direction of the magnetic field in the region through which the current passes. magnitude _____T direction A. +x direction B. -x direction C. +y direction D. -y direction E. +z direction F. -z directionA transmission line strung 6.50 m above the ground carries a current of 595 A. What is the magnetic field on the ground directly below the wire? mT2. A steady current I flows down a long cylindrical wire of radius a in Figure. Find the magnetic field, both inside and outside the wire, if the current is uniformly distributed over the outside surface of the wire
- 4. The magnetic field on the distance 4.5 cm from the current - carrying straight, long conductor is 1.5x 10-7T. How large is the current? On a diagram show direction of the current, and direction of the magnetic field lines1. Draw the magnetic field lines for a current-carrying wire viewed from one of its ends. Specify the direction of the magnetic field lines associated at the given points p and qDraw a magnetic circuit with 2 coils. The 1st coil with 50 turns and the 2nd coil with 150 turns. If coil 1 carry 2 A and coil 2 carry 1 A Find: A. The total Magneto motive force when the coils adding each other and draw the flux direction. B. The total Magneto motive force when the coils opposing each other and draw the flux direction.
- The horizontal wire can be levitated-held up against the force of gravity-if the current in the wire is A. Right to left. B. Left to right. C. It can't be done with this magnetic field. X FG1) Describe the two fundamental sources of a magnetic field. Draw an example of two different magnetic dipoles we have used in lab. Include their respective magnetic field lines in your diagrams below.The diagram below shows two, thin, infinitely-long, parallel conducting wires that are separated by a perpendicular distance of 2.0 cm. What is the coordinate on the y-axis where the total magnetic field is zero? a. y = 4.8 cm b. y = 5.6 cm c. y = 4.4 cm d. y = 6.6 cm e. y = 5.2 cm