The Mechanical Equivalent of Heat Is 1 Cal = 4

question 12

Multiple Choice

The mechanical equivalent of heat is 1 cal = 4.18 J. A heating coil, connected to a 120-V source, develops 60,000 calories in 10 minutes. The current in the coil is:

• A) 0.83 A
• B) 2 A
• C) 3.5 A
• D) 20 A
• E) 50 A

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Nonverbal signals that convey a positive impression, such as smiling, open posture, and eye contact.

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Follow-up Message

A communication sent to inquire or remind about a previous message or action.

Thank-you Note

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