A Cylindrical Region of Radius R Contains a Uniform Magnetic

question 87

Multiple Choice

A cylindrical region of radius R contains a uniform magnetic field parallel to its axis.The field is zero outside the cylinder.If the magnitude of the field is changing at the rate dB/dt, the electric field induced at a point 2R from the cylinder axis is:

• A)0
• B)2R dB/dt
• C)R dB/dt
• D)(R/2)dB/dt
• E)(R/4)dB/dt

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Definitions:

Payback Rule

An investment appraisal technique that calculates the time required to recoup the cost of an investment, focusing on cash flow rather than profitability.

Pre-Specified Number

A value or quantity that is defined or agreed upon before it is used or applied.

Calculated Payback Period

The duration required for an investment to produce income or cash flow equal to the investment's initial cost.

Payback Period

The duration of time it takes to recover the initial investment cost in a project or investment.