A Rectangular Loop of Wire Carrying a 4

question 30

Multiple Choice

A rectangular loop of wire carrying a 4.0-A current is placed in a magnetic field of 0.60 T.The magnitude of the torque acting on this wire when the plane of the loop makes a 30° angle with the field is measured to be 1.1 N • m.What is the area of this loop?

• A) 0.20 m²
• B) 0.40 m²
• C) 0.26 m²
• D) 0.80 m²
• E) 0.53 m²

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Definitions:

UPS

An acronym for Uninterruptible Power Supply, a device that provides backup power to a computer system in the event of a power outage or fluctuation.

Pointing Device

An input device used to control the movement of the cursor on a computer screen, such as a mouse or touchpad.

Touchpad

A touch-sensitive surface used on laptops and some keyboards to control the cursor position and execute gestures.

Mouse

A handheld input device used to control a cursor in a graphical user interface for interacting with text, icons, files, and folders on a computer.