Which of the Following Exemplifies the Type of Adolescent Social

question 21

Multiple Choice

Which of the following exemplifies the type of adolescent social media usage that studies have found to have a positive effect?

• A) Maximo and his best friend message each other online while watching videos.
• B) Shaheena uses Facebook to follow the activities of her local city council.
• C) Chenoa frequently solicits advice from her online friends about her style, activities, and problems.
• D) Elias exchanges messages frequently with a number of casual acquaintances.

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Definitions:

Electromagnetic Induction

The process by which a voltage or electromotive force is generated in a conductor by varying the magnetic field around the conductor.

Commutator

A device used in electric motors and generators to periodically reverse current direction between the rotor and the external circuit.

Alternators

Machines that convert mechanical energy to electrical energy by producing alternating current, commonly used in cars to charge the battery and power the electrical system when the engine is running.

Revolving-field-type

The revolving-field-type refers to a design in electrical machines, particularly alternators, where the magnetic field rotates around a stationary armature, inducing an alternating current.