A Rectangular Coil Having N Turns and Measuring 15 Cm

question 35

Multiple Choice

A rectangular coil having N turns and measuring 15 cm by 25 cm is rotating in a uniform 1.6-T magnetic field with a frequency of 75 Hz.The rotation axis is perpendicular to the direction of the field.If the coil develops a sinusoidal emf of maximum value 56.9 V,what is the value of N?

• A) 2
• B) 4
• C) 6
• D) 8
• E) 10

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Definitions:

Money Stock

The total quantity of money available in the economy at a particular time, including cash, coins, and balances held in checking and savings accounts.

Federal Reserve System

The central banking system of the United States, responsible for implementing monetary policy and regulating the banking industry.

M1

A category of the money supply that includes all physical money like coins and currency, as well as demand deposits and other liquid assets held by the central bank.

Double Coincidence of Wants

A condition in barter economies where two parties each hold an item the other wants, making it possible for an exchange to occur without a common medium of exchange.