Pradžia
Viešos
Prisijungti
Registruotis
7
prieš beveik 16m.
dovilepak
Pranešti
Pranešta
Susitelkimas
Spausdinti
Solar energy
Rezultatai yra viešai prieinami
What is solar energy?
energy type obtained from the Sun
energy type obtained from the Earth
light and heat
Who first began to use solar energy
Greeks and Russians
Greeks and Romans
Romans and Americans
Can solar energy be converted to electrical energy?
no
no suggestions
yes
When were first solar cells launched in Lithuania ?
1950
1959
1915
What are the two different approaches to generate electricity from the sun?
electron and proton
photovoltaic (PV) and solar-thermal technologies.
no suggestions
What is the PV?
silicon
a thin film layer
small cells square shaped semiconductors
What are solar-thermal technologies?
electron solar heat production
proton solar heat production
no suggestions
Where is Solar water heating used?
to heat water in glass panels
to heat water in plastic panels
to heat water in metal panels
.Does solar thermal technology development pollute the air?
no
yes
yes 5 µg/m3
When was the first Solar vehicle invented?
in 1930
in 1988
in 1980
Pateikti