The South Pole of a Bar Magnet Is Moved Toward

question 10

Multiple Choice

The south pole of a bar magnet is moved toward an aluminum ring, along the axis of the ring. As the magnet approaches, the changing magnetic flux induces an electric current in the ring that, when seen from the bar magnet, corresponds to positive charge carriers flowing

• A) clockwise.
• B) counterclockwise.
• C) alternating with a fixed frequency.
• D) alternating with a frequency proportional to a speed of the bar magnet.

---

Definitions:

Output

The information or signals produced by a system or device as a result of its processing or control functions.

PLC Program

A sequence of instructions written for a Programmable Logic Controller (PLC) to automate machinery or processes.

Structured Text

A high-level programming language designed for industrial automation. It resembles the syntax of Pascal and is one of the five languages for programming PLCs.

Functional Block Diagram

A graphical representation that illustrates the functions and flow of data among different blocks of a system, highlighting the system's functional interactions.