Mr and Mrs

question 289

Multiple Choice

Mr. and Mrs. Berry have five children ages 2, 3, 7, 9, and 9. The median age of the Berry children is

• A) 6.
• B) 7.
• C) 8.
• D) 9.

---

Definitions:

Out of Phase

A condition where two waveforms of the same frequency are not aligned in time, resulting in a phase difference.

Leading Phase

A condition in an AC circuit where the voltage wave is ahead of the current wave in time, indicating capacitive properties.

Skin Effect

The tendency of an alternating electrical current to become distributed within a conductor such that the current density is largest near the surface of the conductor, and decreases with greater depths in the conductor.

Eddy Currents

Circulating currents induced within conductors by a changing magnetic field, often leading to energy loss.