   # A PV cell intercepts 1487 watts of sunlight and is 16% efficient. How much electrical power does it produce? ### Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

#### Solutions

Chapter
Section ### Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 10, Problem 29E
Textbook Problem
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## A PV cell intercepts 1487 watts of sunlight and is 16% efficient. How much electrical power does it produce?

Interpretation Introduction

Interpretation:

The electrical power produced by the given PV cell is to be determined.

Concept Introduction:

The percent of the input power that is converted into the output power by a PV cell is called its efficiency.

Percent efficiency of a PV cell is 100 multiplied by the ratio of power out and power in.

The expression is as follows:

Percent efficiency=Power outPower in×100% …… (1)

### Explanation of Solution

The input power of the PV cell is 1487 W.

The percent efficiency of the PV cell is 16 %.

Substitute 1487 W for power in and 16 % for percent efficiency in equation (1) as:

16=Power out

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