An Electric Heater Is Constructed by Applying a Potential Difference

question 24

Multiple Choice

An electric heater is constructed by applying a potential difference of 110 V across a wire with a resistance of 5.0 Ω. What is the power rating of the heater?

• A) 2.0 kW
• B) 2.4 kW
• C) 1.7 kW
• D) 1.5 kW
• E) 60 kW

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Definitions:

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Substances that can prevent or slow the damage to cells caused by free radicals, unstable molecules that the body produces as a response to environmental and other pressures.

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Highly reactive molecules with unpaired electrons that can cause damage to cells, proteins, and DNA by stealing their electrons through a process called oxidation.