Electricity May Be Generated by Rotating a Loop of Wire

question 28

Multiple Choice

Electricity may be generated by rotating a loop of wire between the poles of a magnet.The induced current is greatest when

• A)the plane of the loop is parallel to the magnetic field.
• B)the plane of the loop is perpendicular to the magnetic field.
• C)the magnetic flux through the loop is a maximum.
• D)the plane of the loop makes an angle of 45° with the magnetic field.

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Definitions:

Motion Sensors

Devices that detect moving objects, particularly people, often used in security systems, lighting control, and automation.

Backup Camera

An automotive safety feature that uses a video camera mounted on the rear of the vehicle to display a view behind the car on a dashboard screen, helping the driver to reverse more safely.

Navigation System

Technology or software designed to guide users or vehicles to a destination through the use of maps and GPS data.

Public Domain Software

Software that is not protected by copyright law and is freely available for use, modification, and distribution by anyone.