The Heating Coil of a Hot Water Heater Has a Resistance

question 47

Multiple Choice

The heating coil of a hot water heater has a resistance of 25 Ω and operates at 220 V.How long a time is required to raise the temperature of 150kg of water from 25°C to 85°C? (The specific heat for water = 10³ cal/kg⋅°C and 1.0 cal = 4.186 J) .

• A) 1.9 h
• B) 7.7 h
• C) 2.3 h
• D) 5.4 h
• E) ​0.9 h

Understand mental health issues among the elderly, including anxiety disorders, depression, and the importance of social support.

Understand the concept of death and the criteria for determining death.

Recognize Elisabeth Kübler-Ross’s theories on the stages of dying and their critiques.

Understand the legal and ethical issues surrounding euthanasia and the differences between active and passive euthanasia.

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Definitions:

Defamation

The act of communicating false statements about a person that injure that person's reputation, either in written (libel) or spoken (slander) form.

Absolute Privilege

A special right, immunity, permission, or benefit given to certain individuals that allows them to make any statements about someone without being held liable for defamation for any false statement made, regardless of intent or knowledge of the falsity of the claim.

Defamation

A false communication that harms another's reputation, making others think less of the person.

Communications Decency Act

A U.S. federal law primarily aimed at regulating pornographic content on the internet, which also provides immunity to online platforms from liability for content posted by their users.