A Transformer Changes 120 V Across the Primary to 1200

question 47

Multiple Choice

A transformer changes 120 V across the primary to 1200 V across the secondary.If the secondary coil has 800 turns,how many turns does the primary coil have?

• A)40
• B)80
• C)100
• D)400
• E)4000

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Definitions:

Parameters

Quantitative characteristics that define or summarize features of a population in statistical analysis.

Numerical Characteristics

Quantitative attributes or measurements that describe and summarize data.

Sample

A selected subset of individuals or items from a larger population used to estimate characteristics of the whole population.

Sampling Error

The error caused by observing a sample instead of the whole population, leading to potential differences between the sample statistic and population parameter.