A Circular Loop (Area = 0

question 50

Multiple Choice

A circular loop (area = 0.20 m²) turns in a uniform magnetic field with B = 0.13 T. At an instant when the angle between the magnetic field and the normal to the plane of the loop is (π) rads and is decreasing at the rate of 0.50 rad/s, what is the magnitude of the emf induced in the loop?

• A) zero
• B) 13 mV
• C) 26 mV
• D) 20 mV
• E) 18 mV

---

Definitions:

Echoic Memory

A momentary sensory memory of auditory stimuli; if attention is elsewhere, sounds and words can still be recalled within 3 or 4 seconds.

Auditory Impression

The perception or interpretation of sounds by the brain, including tone, pitch, and loudness.

Echoic Memory

A component of sensory memory that retains auditory information for a short period after the original sound has ceased.

Auditory Stimuli

Sounds that trigger a response in the listener, processed by the auditory system.