Transformers: an Ideal Transformer Consists of a 500-Turn Primary Coil

question 67

Multiple Choice

Transformers: An ideal transformer consists of a 500-turn primary coil and a 2000-turn secondary coil. If the current in the secondary is 3.0 A, what is the current in the primary?

• A) 0.75 A
• B) 1.3 A
• C) 12 A
• D) 24 A
• E) 48 A

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Definitions:

Cost Of Goods Sold

Expenses directly associated with the creation of a company's sold products, including both materials and workforce costs.

Sales

Sales represent the total revenue earned from goods or services sold by a company during a certain period.

Gross Profit Margin

A financial ratio that indicates the percentage of revenue that exceeds the cost of goods sold, highlighting the efficiency in producing and selling products.

Gross Profit Amount

The difference between sales revenue and the cost of goods sold before accounting for other expenses, indicating how efficiently a company uses labor and supplies in production.