An 800-KHz Radio Signal Is Detected at a Point 9

question 35

Multiple Choice

An 800-kHz radio signal is detected at a point 9.1 km distant from a transmitter tower.The electric field amplitude of the signal at that point is 0.440 V/m.Assume that the signal power is radiated uniformly in all directions and that radio waves incident upon the ground are completely absorbed.What is the average total power radiated by the transmitter? , μ₀ = 4π × 10^-7 T • m/A,

• A) 0.27 MW
• B) 0.32 MW
• C) 0.38 MW
• D) 0.45 MW
• E) 0.50 MW

---

Definitions:

Real Passion

A deep, genuine, and enduring interest or enthusiasm for something.

Group Polarization

The tendency for a group's prevailing attitudes to become stronger or more extreme after group discussions.

Original Group Attitude

The initial set of beliefs, values, and norms shared by a group, which can influence the group's behavior and perception.

Consummate Love

A term coined by psychologist Robert Sternberg to describe a form of love that combines intimacy, passion, and commitment.