A Hollow Cylindrical (Inner Radius = 1

question 28

Multiple Choice

A hollow cylindrical (inner radius = 1.0 mm, outer radius = 3.0 mm) conductor carries a current of 80 A parallel to its axis. This current is uniformly distributed over a cross section of the conductor. Determine the magnitude of the magnetic field at a point that is 2.0 mm from the axis of the conductor.

• A) 8.0 mT
• B) 3.0 mT
• C) 5.3 mT
• D) 16 mT
• E) 1.2 mT

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Definitions:

Jensen Portfolio

A portfolio evaluated using Jensen's Alpha, which measures the excess return of the portfolio over the predicted return by the CAPM model for its level of risk.

Treynor Measures

Financial metrics used to assess the returns earned on a portfolio in excess of that which could have been earned on a risk-free investment, per each unit of market risk.

Sharpe Measure

A ratio developed by William F. Sharpe to measure risk-adjusted performance of an investment, calculating how much excess return you are receiving for the extra volatility that you endure for holding a riskier asset.

Dollar Weighted

A method of measuring investment returns which accounts for the size and timing of cash flows into and out of the portfolio.