As Shown in the Figure, Two Solenoids Are Side by Side

question 129

Multiple Choice

As shown in the figure, two solenoids are side by side. The switch S is initially open. When S is suddenly closed, the direction of the induced current through the resistor R is

• A) from a to b.
• B) from b to a.
• C) No current is induced.

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Definitions:

Parameters

Variables declared in a function or method definition, specifying the types of arguments that the function or method can accept.

Static Method

A method defined in a class that does not require an instance of the class to be invoked and is often used for utility or helper functions.

Java.lang.Math.*

The Java.lang.Math.* reference indicates the use of the Math class in the Java programming language, which provides methods for performing basic numeric operations such as exponentiation, logarithms, and trigonometric functions.

Actual Parameter

An actual parameter refers to the actual value or reference passed to a function or method during its invocation.