test review on 18.2

how does the solar cell work?

• photovoltaic effect used by solar cells to produce electricity

• electricity

• viceversa

• semiconductors

how is solar energy used to generate electricity?

• photovoltaic or pv system used to convert energy to electrical energy

• solar panel

• electricity

• tidal wave

how Amy voltages can a solar panel have

• up to 50 volts

• up to 15 votes or 30 volts

• 69 volts

• 0.8 volts

what are the solar cells made of (semiconducters)

how to create a negative e charge?

• n-type

• v-type

• p-type

• c-type

how to produce positive charge?

• c-type

• p-type

• n-type

• v-type

what does the n-type and the p-type concentrate on?

• electrons and holes

• cells

• silicon

• panels

what is hydrogen fuel?

• a abundant element in the universe its essential for life the sun is mostly made of it and present in almost all living things

• pure hydrogen

• semiconductors

• electricity

name 1 essential of fuel in the future?

when the n-type and the p-type are joined what do they form?