If 12 V and -19 V Sources Are Connected So

question 12

Multiple Choice

If 12 V and -19 V sources are connected so their total voltage is -7 V, they are ________.

• A)series opposing
• B)series aiding
• C)connected dangerously
• D)in parallel

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Definitions:

Mean-Variance Efficient Portfolio

A Mean-Variance Efficient Portfolio is an investment strategy that aims to optimize the balance between expected return and risk, as defined by the portfolio's volatility.

Single-Index Structure

A model used in finance to describe the returns of a security as a function of a single market index.

Expected Returns

A rephrased definition for Expected Return: The anticipated income or profit from an investment over a specific period, considering various possible scenarios and their probabilities.

Variances of Returns

A statistical measure of the dispersion of returns for a given security or market index, showing the degree of variation from the average.