A Square Loop (Length Along One Side = 20 Cm)

question 28

Multiple Choice

A square loop (length along one side = 20 cm) rotates in a constant magnetic field which has a magnitude of 2.0 T. At an instant when the angle between the field and the normal to the plane of the loop is equal to 20° and increasing at the rate of 10°/s, what is the magnitude of the induced emf in the loop?

• A) 13 mV
• B) 0.27 V
• C) 4.8 mV
• D) 14 mV
• E) 2.2 mV

---

Definitions:

Rank Portfolios

The process of organizing investment portfolios in order of performance, risk, or any other relevant criteria.

Sharpe Measure

A metric to assess the performance of an investment by adjusting for its risk, calculating the difference between the returns of the investment and the risk-free rate, divided by the investment's standard deviation.

Passive Strategy

An investment strategy that aims to match, rather than outperform, market returns by mimicking the investment holdings of a particular index.

Benchmark Portfolio

A standard or point of reference against which the performance of an investment portfolio can be measured.