All Problems

Electromagnetic Induction. Maxwells Equations

Problem 3.304

Fig. 3.90 illustrates plane figures made of thin conductors which are located in a uniform magnetic field directed away from a reader beyond the plane of the drawing. The magnetic induction starts diminishing. Find how the currents induced in these loops are directed.

Reveal Answer
ext(a)Intheroundconductorthecurrentflowsclockwise,thereisnocurrentintheconnector;(b)intheoutsideconductor,clockwise;(c)inbothroundconductors,clockwise;nocurrentintheconnector,(d)inthelefthandsideofthefigureeight,clockwise. ext {(a) In the round conductor the current flows clockwise, there is no current in the connector; (b) in the outside conductor, clockwise; (c) in both round conductors, clockwise; no current in the connector, (d) in the left-hand side of the figure eight, clockwise.}