When Current Reverses Direction in a Wire, the Surrounding Magnetic

question 21

Multiple Choice

When current reverses direction in a wire, the surrounding magnetic field

• A)also reverses direction.
• B)becomes momentarily stronger.
• C)contracts.
• D)expands.

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Definitions:

Recursion

A programming technique where a function calls itself directly or indirectly to solve a problem by breaking it down into smaller problems.

Terminate

To bring an operation or process to an end; in computing, it often refers to the stopping of a program or process.

Recursive Call

A method or function in computer programming that calls itself within its own definition to solve a problem by breaking it down into smaller, more manageable problems.

Base Case

In recursion, the condition under which a recursive function returns without calling itself, effectively stopping the recursion.