Explanation Given Information: The wattage rating of an appliance W is varies jointly to the square of the current I and the resistance R . Formula used: The joint variation involves two or more variables which increase together and decrease together. As, y varies jointly with x and z . y ∝ x y ∝ z So, the combined form is, y ∝ x z When the sign of proportionality is removed a constant is added to the equation which is called constant of proportionality. y ∝ x z y = k x z Here, k is constant of proportionality. Calculation: The wattage rating of an appliance W is varies jointly to the square of the current I and the resistance R . W ∝ I 2 R When the sign of proportionality is removed a constant is added to the equation which is called constant of proportionality. W ∝ I 2 R W = k I 2 R Now, the wattage is 10 watts when a current of 1 ampere is flowing through the appliance and the resistance of the appliance is 1000 ohms

Intermediate Algebra For College Students (9th Edition)

9th Edition

ISBN: 9780321927354

Author: Allen R. Angel, Dennis Runde

Publisher: PEARSON

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Chapter 6, Problem 22PT

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To calculate: The wattage when the current of 0.5 ampere is flowing through an appliance that has a resistance of 300 ohms. If the wattage is 10 watts when a current of 1 ampere is flowing through the appliance and the resistance of the appliance is 1000 ohms.

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Chapter 6, Problem 21PT

Chapter 6, Problem 23PT

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Chapter 6 Solutions

Intermediate Algebra For College Students (9th Edition)

Ch. 6.1 - Fill in the blanks with the appropriate word,...Ch. 6.1 - Fill in the blanks with the appropriate word,...Ch. 6.1 - Fill in the blanks with the appropriate word,...Ch. 6.1 - Fill in the blanks with the appropriate word,...Ch. 6.1 - Fill in the blanks with the appropriate word,...Ch. 6.1 - Prob. 6ES Ch. 6.1 - Prob. 9ES Ch. 6.1 - Prob. 7ES Ch. 6.1 - Prob. 10ES Ch. 6.1 - Determine the values that are excluded in the...

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