The Moon Appears Larger When It Is at the Horizon

question 96

Multiple Choice

The moon appears larger when it is at the horizon than when it is higher in the sky because of

• A) magnification of light rays as they pass through the atmosphere.
• B) the fact that it really is more distant from the Earth at the horizon than when it is higher in the sky.
• C) bending of light rays as they pass through the atmosphere.
• D) an optical illusion.

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Definitions:

Line Voltage

The voltage as measured between the lines of a three-phase system.

Delta-Connected

A method of connecting three components of an electrical circuit where each component is connected end-to-end to form a closed loop or triangle.

Phase Current

The amount of current flowing in the phase of a three-phase load or power supply.

Line Current

The current flow in the line supplying a three-phase load.