Engineering Question #3326

Yamna, a 13 year old female from Dubai, United Arab Emirates asks on March 14, 2006,

1.) Do the intesity of the sun's rays increase the current in a solar cell? 2.) Does increased current affect the amount of electric power produced (Especially in my case: Solar Power)?

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The answer

Karim Karim, Engineering professor at Simon Fraser University answered on March 16, 2006

The intensity of the sun will increase the number of electron-hole pairs (electronic charge) generated in the solar cell which causes the current to increase. The higher the intensity, the more current is produced and thus, more electric power can be generated.

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