Lenz's Law: in the Figure, Two Parallel Wires Carry Currents

question 41

Multiple Choice

Lenz's law: In the figure, two parallel wires carry currents of magnitude I in opposite directions. A rectangular loop is midway between the wires. The current I is decreasing with time. The induced current through the resistor R is

• A) from a to b.
• B) from b to a.
• C) There is no induced current through the resistor.

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