Chapter 6, Problem 30RQ

Explanation of Solution

Working of a magnetic reed float switch:

• A permanent magnet is installed within the movable float arm.
• Whereas, a magnetic reed switch is installed within the fixed housing.
• Magnetic reed switch consists of a closed glass tube that is filled with protective gas in which two flat contacts tabs are air tight sealed.
• These contacts are built of magnetic materials like magnetic north pole and magnetic South Pole...