As Shown in the Figure, Two Solenoids Are in Line $S$

question 232

Multiple Choice

As shown in the figure, two solenoids are in line. The switch S, initially closed, is suddenly opened. Just after opening $S$ , what is the polarity of the induced emf in terminals $X$ and $Y$ ?

• A) \(Y\) is positive and \(X\) is negative.
• B) \(X\) is positive and \(Y\) is negative.
• C) \(X\) and \(Y\) are at the same potential.

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Definitions:

Analytical fashion

A method or manner that involves understanding complex issues by breaking them down into simpler components for analysis.

Scientific thinking

Involves using systematic, evidence-based methods and critical analysis to solve problems and make decisions.

Rules of thumb

General principles that provide practical instructions or guidance, based on experience rather than theory, for making decisions or solving problems.

Simplifying strategies

Approaches or methods aimed at reducing complexity and making tasks or processes easier to understand and manage.