A Beam of Electrons Q = 1

question 92

Multiple Choice

A beam of electrons q = 1.6 × 10^-19 C) is moving through a region of space in which there is an electric field of intensity 3.4 × 10⁴ V/m and a magnetic field of 2.0 × 10^-3 T. The electric and magnetic fields are so oriented that the beam of electrons is not deflected. The velocity of the electrons is approximately

• A) 6.8 × 10⁶ m/s.
• B) 3.0 × 10⁸ m/s.
• C) 6.0 × 10^-9 m/s.
• D) 0.68 km/s.
• E) 1.7 × 10⁷ m/s.

Grasp the concept of graded potentials and their differences from action potentials.

Understand the concept and calculation of internal rate of return (IRR) and its impact on project decision-making.

Comprehend the definition and significance of the profitability index (PI) in assessing project viability.

Grasp the understanding of discounted payback period and its role in project evaluation.

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Definitions:

Defined Contribution Plan

A retirement savings plan where the amount contributed is specified, but the benefit received in the future depends on the performance of the investment options chosen.

Risk-free Return

The return on an investment with no risk of financial loss, typically represented by government bonds.

Standard Deviation

A statistical measure of the dispersion or variability in a data set, commonly used to gauge the risk associated with a financial investment.

Defined Contribution Plan

A retirement savings plan where contributions are defined, but future benefits depend on investment performance.