In a Recent Nielsen Online Survey of Over 25,000 Internet

question 185

Multiple Choice

In a recent Nielsen online survey of over 25,000 Internet consumers from 50 countries, what percentage of respondents said they trusted recommendations from people they knew?

• A) 50 percent
• B) 60 percent
• C) 70 percent
• D) 80 percent
• E) 90 percent

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Definitions:

Two-phase Power System

A two-phase power system is an electrical power distribution method that uses two alternating currents, which are offset in phase by one-quarter of a cycle (90 degrees).

Phase

A measure of the position of a point in time on a waveform cycle, often used in the context of alternating currents to describe the difference in timing between two waveforms.

Consequent-pole Motor

A type of electric motor design that uses additional poles (generated by connections in the winding) to improve torque and reduce pulsations in multi-phase systems.

Running Torque

The torque a motor produces at its rated speed and voltage, crucial for understanding the operational efficiency of the motor.