The Figure Shows a Steady Electric Current Passing Through a Wire

question 13

Multiple Choice

The figure shows a steady electric current passing through a wire with a narrow region. What happens to the drift velocity of the moving charges as they go from region A to region B and then to region C?

• A) The drift velocity decreases from A to B and increases from B to C.
• B) The drift velocity increases all the time.
• C) The drift velocity remains constant.
• D) The drift velocity decreases all the time.
• E) The drift velocity increases from A to B and decreases from B to C.

Identify and differentiate between null and alternative hypotheses.

Recognize the significance of determining an appropriate sample size for research validity.

Understand the financial and logistical considerations involved in sample size determination.

Know the relationship between precision, margin of error, and sample size.

---

Definitions:

Sustained Effort

Continuous and persistent exertion of effort towards a particular goal or task over an extended period.

Specific

Clearly defined or identified; unambiguous and precise in nature or detail.

Intrapreneurship

The act of behaving like an entrepreneur while working within a large organization, including taking initiatives and creating innovative projects or products.

Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.