A Circular Loop of Wire Has Its Radius Reduced in Half

question 62

Multiple Choice

A circular loop of wire has its radius reduced in half in time Ät.A uniform magnetic field is at an angle of 60 ^$\degree$ to the plane of the coil,and the magnetic field doubles its intensity in the same time interval Ät.During this interval,what happens to the flux through the coil?

• A)It increases.
• B)It decreases.
• C)It remains the same.
• D)More information is needed to make this conclusion.

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Definitions:

Production

The process of creating goods and services, from the input of resources to the output of finished products.

Price Level

The average of the current prices of goods and services in the economy, often compared over time to assess inflation.

Equilibrium GDP

The level of real GDP at which aggregate supply equals aggregate demand, resulting in a stable economy without tendencies to change.

Recession

A fleeting period of economic diminution, involving a dip in trade and industry work, usually defined by a decrease in GDP over two following quarters.