Which Part of the Electromagnetic Spectrum Are Humans Capable of Detecting

question 210

Multiple Choice

Which part of the electromagnetic spectrum are humans capable of detecting with the unaided eye?

• A) all of it
• B) 400-700 nm
• C) 10,000-100,000 nm
• D) none of it

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Definitions:

Primary Phase Current

The initial or main current flow in one phase of a system before splitting into secondary phases or circuits.

Resistive Load

An electrical load that consumes energy in the form of heat or light, behaving according to Ohm's law.

Turns Ratio

The ratio of the number of turns in the primary winding to the number of turns in the secondary winding of a transformer, affecting its voltage and current transformation.

Primary Leads

The main electrical conductors or connections that provide a path for electrical current to enter or exit a device or system.