Suppose That You Wish to Construct a Simple Ac Generator

question 39

Multiple Choice

Suppose that you wish to construct a simple ac generator having an output of 12 V maximum when rotated at 60 Hz.A uniform magnetic field of 0.050 T is available.If the area of the rotating coil is 100 cm²,how many turns do you need?

• A) 8
• B) 16
• C) 32
• D) 64
• E) 128

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Definitions:

Price Index

A price index measures the average change over time in the prices paid by consumers for a market basket of consumer goods and services.

Replacement Cost

The cost to replace an item or asset at current prices, disregarding its original purchase price or accumulated depreciation.

Operating Margin

A profitability measure calculated as operating income divided by revenue, showing the percentage of profits generated from operations before taxes and interest.

Variable Costing

An accounting method that only includes variable production costs (costs that change with the level of output) in the cost of goods sold and treats fixed costs as period costs.