THE PHOTOVOLTAIC EFFECT IS ___________. A. THE PROCESS OF OPERA...

50.

The photovoltaic effect is ___________.

A. the process of operating a solar car

B. the process of absorbing photons from the sun

C. the developing of solar cars and solar powered devices

D. the converting of heat from the sun into electricity

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Choose the word whose underlined part is pronounced differently from that of the rest.