As Measured on the Snellen Chart, a Newborn's Vision Is

question 58

Multiple Choice

As measured on the Snellen chart, a newborn's vision is estimated to be

• A) 20 /100.
• B) 20 /240.
• C) 20 /150.
• D) 20 /50.

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Definitions:

Counter-electromotive Force

The voltage generated by a motor or inductor in opposition to the applied voltage, acting as a limiting factor in the flow of current.

Back-EMF

See counter-EMF.

Armature

The rotating coil or coils of a dynamo or electric motor where voltage is induced by magnetic action.

DC Motor

An electric motor that runs on direct current (DC) electricity, converting electrical energy into mechanical energy through the rotation of a shaft.