A Circular Coil (Radius = 0

question 12

Multiple Choice

A circular coil (radius = 0.40 m) has 160 turns and is in a uniform magnetic field.When the orientation of the coil is varied through all possible positions,the maximum torque on the coil by magnetic forces is 0.16 N . m when the current in the coil is 4.0 mA.What is the magnitude of the magnetic field?

• A)0.37 T
• B)1.6 T
• C)0.50 T
• D)1.2 T
• E)2.5 T

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Definitions:

Market Equilibrium

The point where the supply of goods matches demand, resulting in a stable price.

Excess Demand

A market situation where the quantity demanded of a good exceeds the quantity supplied at a current price, leading to shortages.

Excess Supply

A situation in a market where the quantity of a good supplied is greater than the quantity demanded at the current price.

Excess Demand

A market condition in which the quantity demanded of a good or service exceeds the quantity supplied at a given price, leading to upward pressure on price.