A conductive loop exists in the plane of the page. A magnetic field directed out of the page begins to decrease in strength over some time interval. What is the direction of the induced current in the conductive loop.
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A conductive loop exists in the plane of the page. A magnetic field directed out of the page begins to decrease in strength over some time interval. What is the direction of the induced current in the conductive loop.
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- Suppose you have a long, skinny conductor that is oriented with its long axis parallel to a uniform magnetic field. Suppose also that the conductor is moving along its long axis in a straight line at constant velocity v. Despite the motion of the conductor, no motional emf is induced. Why? The magnetic field is too uniform The velocity has no component normal to the magnetic field The velocity is too low The conductor is so long and so thin that its electrical resistance is too highProblem 14: Part (a) Express the current I in terms of B, N, and d. I = ______ Part (b) Calculate the numerical value of I in amps. I = ______The figure shows a uniform magnetic field that is normal to the plane of the conducting loop of resistance R. Note: the area of the non- circular portion of the circuit is negligible compared to that of the loop. B 04 Which entry in the table below correctly pairs the change in the system with the direction of the induced current through R? change in the system direction of current through R decrease the area of the loop rotate loop into the paper decrease the magnitude of B increase the area of the loop pull loop to the right from top toward bottom no induced current from bottom toward top from bottom toward top from top toward bottom
- Problem 2. An a by b loop is pulled in the x- direction with the velocity v relative to a straight wire with a constant current I, see figure. Find the force that the wire produces on the loop. I b R пи ν 0 I ४ a x + aYou drop a magnet north pole side down from a height (h) into a loop of wire, inducing a current. Draw a graph showing how the induced current in the loop depends on time as the magnet falls through the loop. Does the magnitude of the induced current depend on h?A 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)?
- A segment of wire 7.4 cm long is moving at a velocity of 7.08 m/s toward a parallel (much longer) wire which carries a current of 7.55 A. At a particular instant the wire segment is 5.4 cm away from the long, current-carrying wire. What is the induced emf (voltage) between the two ends of the wire segment? 1.47E-05 V 5.88E-06 V 1.18E-05 V 1.91E-05 VMagnetic flux increases from 0 to 2 Tm2 in one turn conducting loop within 0.5s. What is the induced emf in the loop? 0.5 V 2 V 0.3 V 4 V 1 V