In a transformer, what does the turns ratio determine?

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Question: In a transformer, what does the turns ratio determine?

Options:

Correct Answer: The voltage transformation

Solution:

The turns ratio of a transformer determines the voltage transformation between the primary and secondary windings.

In a transformer, what does the turns ratio determine?

In a transformer, what does the turns ratio determine?

Step 1: Understand that a transformer has two coils of wire called windings: the primary winding and the secondary winding.
Step 2: The primary winding is connected to the input voltage source, while the secondary winding provides the output voltage.
Step 3: The turns ratio is the number of turns of wire in the primary winding compared to the number of turns in the secondary winding.
Step 4: If the primary winding has more turns than the secondary, the transformer decreases the voltage (step-down transformer).
Step 5: If the secondary winding has more turns than the primary, the transformer increases the voltage (step-up transformer).
Step 6: Therefore, the turns ratio directly affects how much the voltage changes from the primary to the secondary winding.

Turns Ratio – The ratio of the number of turns in the primary winding to the number of turns in the secondary winding, which determines how voltage is transformed in a transformer.
Voltage Transformation – The relationship between primary and secondary voltages based on the turns ratio, where an increase in turns ratio results in an increase in voltage and vice versa.