Question

question 2 of 5

what does a typical dc motor have that a typical ac motor does not? (select all that apply.)

select the correct response(s):
a professional-length cord
quiet operation
a lighter weight
a three-prong plug

Explanation:

Analyze motor characteristics

Using the Blow Dryer Motors knowledge point, we compare the physical properties of typical DC (Direct Current) and AC (Alternating Current) motors used in professional blow dryers.

Compare weight and noise

AC motors are traditionally heavy, durable, and loud. In contrast, DC motors are designed to be significantly lighter in weight, though they typically have a shorter lifespan and can be noisier than high-end AC/EC motors. Therefore, "a lighter weight" is a key feature that a typical DC motor has which a typical AC motor does not.

Evaluate external components

External components like "a professional-length cord" and "a three-prong plug" are safety and design features of the overall appliance rather than characteristics of the motor type itself. Both AC and DC professional dryers can have these features. Thus, only "a lighter weight" is the correct distinguishing characteristic.

Answer:

• a professional-length cord
• quiet operation
• a lighter weight (Correct answer)
• a three-prong plug