A 20-μF Capacitor Charged to 2

question 20

Multiple Choice

A 20-μF capacitor charged to 2.0 kV and a 40-μF capacitor charged to 3.0 kV are connected to each other, with the positive plate of each connected to the negative plate of the other. What is the final charge on the 20-μF capacitor after the two are so connected?

• A) 53 mC
• B) 27 mC
• C) 40 mC
• D) 80 mC
• E) 39 mC

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Definitions:

Contraception Responsibility

The duty of individuals or couples to manage and employ methods to prevent pregnancy effectively.

Reversible Contraception

Birth control methods that can be discontinued to restore fertility, such as pills, intrauterine devices, and condoms.

Abstinence

The practice of refraining from indulging in certain activities, most commonly referring to abstaining from sexual activity or substance use.

Sterilization

A surgical procedure that makes the reproductive organs incapable of producing or “delivering” viable gametes (sperm and eggs).