The Current in the Primary of a Transformer Is Changing

question 84

Multiple Choice

The current in the primary of a transformer is changing at the rate of 500 A/s and the EMF in the secondary is 30 V.The coefficient of mutual inductance of this transformer is

• A)30 mH
• B)60 mH
• C)17 H
• D)33 H
• E)15 kH

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Definitions:

Marginal Expenditure

The extra expense associated with making an additional unit of a product or service.

Product Market

The marketplace in which final goods or services are offered to consumers, businesses, and the public.

Product Market

The marketplace in which final goods or services are offered for purchase by consumers, businesses, and the public sector.

Monopsonist

A market condition in which there is only one buyer for a particular product or service.