   Chapter 21, Problem 28PE

Chapter
Section
Textbook Problem

# Integrated ConceptsA 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of 10.0 A. (a) What is the battery’s internal resistance? (b) What power is dissipated inside the battery? (c) At what rate (in °C/min ) will its temperature increase if its mass is 20.0 kg and it has a specific heat of 0.300 kcal/kg. °C, assuming no heat escapes?

To determine

(c)

Rate of the increase of the temperature.

Explanation

Given:

Specific heat = 0.300

Mass of the body = 20 kg.

Formula used:

Used formula:

Q=mcT , Q = amount of heat, m = mass of the object, c = specific heat, T = change in temperature.

Calculation:

Q=mcT38400=20(0

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