Power: a 1500-W Heater Is Connected to a 120-V Line

question 14

Multiple Choice

Power: A 1500-W heater is connected to a 120-V line. How much heat energy does it produce in 2.0 hours?

• A) 1.5 kJ
• B) 3.0 kJ
• C) 0.18 MJ
• D) 11 MJ
• E) 18 MJ

---

Definitions:

Income

The money received, especially on a regular basis, for work or through investments.

Myasthenia Gravis

An autoimmune neuromuscular disorder characterized by weakness and fatigue of the skeletal muscles.

Chronic Autoimmune

Refers to long-term immune system diseases where the body mistakenly attacks its own tissues, causing inflammation and damage.

Muscle Weakness

A reduction in the strength of one or more muscles, potentially due to a wide range of illnesses, neurological conditions, or physical overexertion.