A transformer with a loops ratio (secondary/primary) of 1 /...

A transformer with a loops ratio (secondary/primary) of $1 / 18$ is used to step down the voltage from a 110 -V wall socket to power a battery recharging unit. What is the voltage supplied to the recharger?

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Key Concepts

Step-Down Transformer

A step-down transformer is specifically designed to reduce a higher input voltage to a lower output voltage, making it suitable for applications that require a lower operating voltage or where safety considerations necessitate reduced voltage levels.

Voltage Transformation

Voltage transformation refers to the process by which a transformer changes the input voltage to a different output voltage based on the turns ratio, following the principle that the ratio of the secondary voltage to the primary voltage is equal to the ratio of the number of turns in the secondary to those in the primary.

Turns Ratio

The turns ratio is the relationship between the number of windings on the primary and secondary coils of a transformer, and it directly determines how much the voltage is increased or decreased during the transformation.

Transformer

A transformer is an electrical device that transfers energy between two or more circuits through electromagnetic induction, allowing for voltage and current modification without direct electrical connection between the circuits.

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