A 400-Turn Circular Coil (Radius = 1

question 21

Multiple Choice

A 400-turn circular coil (radius = 1.0 cm) is oriented with its plane perpendicular to a uniform magnetic field which has a magnitude that varies sinusoidally with a frequency of 90 Hz. If the maximum value of the induced emf in the coil is observed to be 4.2 V, what is the maximum value of the magnitude of the varying magnetic field?

• A) 59 mT
• B) 62 mT
• C) 65 mT
• D) 68 mT
• E) 31 mT

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Definitions:

Relative Cell Reference

In spreadsheet programs, a cell address expression that changes when it is copied to another location, relative to the position of the target cell.

Exact Cell Address

The specific location of a cell in a spreadsheet, identified by the combination of its column letter and row number.

Absolute Cell Reference

In spreadsheet applications, an absolute cell reference is a cell address that does not change when copied or moved to another cell location.

AutoFill Options Button

An interface button that, when activated, provides options to automatically complete filling data in fields based on patterns, preferences, or previously entered information.