An Immersion Heater of Negligible Mass Draws a Current of 7.5

question 30

Multiple Choice

An immersion heater of negligible mass draws a current of 7.5 A from a source with a potential difference of 120 V.The heater is in 0.950 m³ of water.The initial temperature of the water is 12.5ºC.How much time does it take to increase the temperature of the water to 27.5ºC? Neglect any heat loss.One calorie is equivalent to 4.18 J.

• A)4.7 \(\times\) 10⁴ s
• B)3.3 \(\times\) 10⁴ s
• C)1.1 \(\times\) 10⁴ s
• D)1.6 \(\times\) 10⁴ s
• E)None of these is correct.

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Definitions:

SASSI-3

A screening tool used to identify individuals with substance use disorders through self-reporting.

Fake-Good

The phenomenon where individuals present themselves in an unrealistically positive manner, especially in the context of psychological assessments or therapy.

Adolescent Substance Abuse

Refers to the use of drugs, alcohol, or other substances in harmful amounts by teens and young adults.

SASSI

Substance Abuse Subtle Screening Inventory, a tool used to detect substance dependency and abuse in individuals, often without their explicit awareness of the test's purpose.