3, Figure below shows a U-shaped conductor which we lay a metal rod with length L on it. This metal rod is moving with velocity i to the left of the page. The magnetic field B is to the right of the page. Find the direction and magnitude of the induced current.
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- 4, Figure below shows a U-shaped conductor which we lay a metal rod with length L on it. This metal rod is moving with velocity i to the right of the page. The magnetic field B is to the right of the page. Find the direction and magnitude of the induced current.You pull a bar magnet out of coil of wire. What are the directions of the induced current and magnetic field? Draw a sketch of the situation, noting whether your answer would change if the magnet’s south pole left the wire instead of the north pole.A long straight wire is fixed in space and has current I. Draw the wire vertically with the current flowing upward. A square wire loop with side length s and resistance R is in the plane of the page and has its closest side a distance x away from the wire. Find the magnetic flux through the square HINT: The B-field depends on distance from the wire so you will have to integrate. The loop is pushed with velocity v toward the Find the rate of change of magnetic flux. HINT: Don't forget the chain rule. If f(x(t)) is a function of x and x is a function of t, then df/dt = (df/dx)(dx/dt) Find the current induced in the square Which direction is the current flowing? Explain with Lenz's Law Find the net magnetic force on the
- 17. A U-shaped wire is bridged by a small metal rod AB of length I, and the distance of the rod from the left end of wire is a at initial moment t=0 as indicated in the right figure. A uniform magnetic field is directed into of page. Now move the rod at constant velocity y to the right as indicated.(a) Calculate the magnetic flux through the loop formed by the wire and rod at any instant t. (b) Find the emf induced in the loop as the rod is moving. (c) Indicate the direction of the current induced in the loop. O wire 8 Al -rod t30A wire carrying 20 A is looped back on itself with 2 mm between the wires. A) What is the induced magnetic field halfway between the wires? B) What is the magnetic field 1 mm to the right of the wire loop?A 2 meter-long bar is being moved to the right at a constant speed. The bar is sliding on aframe that includes a resistor with R = 3.25 Ω. There is also a uniform 5.75-T magneticfield, directed into the page. At what speed should the bar be moved to produce a currentof 0.800 A in the resistor
- A conducting rod is pushed with a force of 30N. The conducting rod moves with a steady velocity of 20m/s. Find magnitude and direction of the induced current of the moving rod. (see attached picture)I want to know what the flux is since the cylinder is still subject to induction heating. I want to know if with the given information it is possible to calculate the magnetic flux. a) how far is the flux andb) is the flux in the range of the cylinder wall? outside diameter of the cylinder .900inside diameter 0.500A circle wire loop with 10 turns of wire has an area of 0.5 m2. It is initially in a 0.3 T magnetic field. Then over 0.5 seconds it is moved to a location with no magnetic field. What is the magnetic flux? (The unit of flux is Weber, W) What is the induced emf (voltage)?
- The magnetic field is pointing out of the board everywhere in space.The metal bar on top of the rails is being moved by an external agentto the right. What is the direction of the induced current on the bar?A circular piece of wire with radius 0.3 m has a 14.2 T magnetic field passing through at an angle of 58 degrees away from normal. What is the magnetic flux through this ring?