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Comptia A+ Core 1 Exam: Guide To C...

10th Edition
Jean Andrews + 2 others
Publisher: Cengage Learning
ISBN: 9780357108376

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BuyFindarrow_forward

Comptia A+ Core 1 Exam: Guide To C...

10th Edition
Jean Andrews + 2 others
Publisher: Cengage Learning
ISBN: 9780357108376
Chapter 4, Problem 1TC
Textbook Problem
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THINKING CRITICALLY

How much power is consumed by a load drawing 5 A with 120 V across it?

Explanation of Solution

Given: Load drawing is 5 A with 120 V.

 

To find:If the load drawn is 5 A with 120 V, then how much power is used.

Solution:

Here,

A represents ampere, which is the unit of current.

V represents volt, which is the unit of voltage.

W represents watt, which is the unit of power.

Now, the formula for the power is:

Powerw=CurrentA×Voltagev=5×120=600 watts

Hence, if the load drawn is 5 A with 120 V then 600 watts will be used.

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