A 500-Turn Circular Coil with an Area of 0

question 79

Multiple Choice

A 500-turn circular coil with an area of 0.0650 m² is mounted on a rotating frame,which turns at a rate of 18.0 rad/s in the presence of a 0.0350-T uniform magnetic field that is perpendicular to the axis of rotation.What is the instantaneous emf in the coil at the moment that the normal to its plane is perpendicular to the field?

• A) 20.5 V
• B) zero
• C) 0.063 V
• D) 369 V
• E) ​1.14 V

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Definitions:

Budget Line

An illustrative depiction of every possible pairing of two items that could be bought within a set budget at unchanging prices.

Slope

A measure of the steepness or incline of a line, often calculated as the ratio of the vertical change to the horizontal change between two points on the line.

Good A

A generic term often used in economics to describe a type of product or commodity.

Budget Line

A graphical representation of all possible combinations of two goods that a consumer can purchase with a given budget at prevailing prices.