cameroon gce 2023 intermediate level photovalvic systems 1
cameroon gce 2023 intermediate level photovalvic systems 1
Clioosc from the list below renewable enernv?
A Coal
B Biomass
C petroleum
D Natural gas
10. Which of the following coordinates arc used to
specify the position of the sun?
A Solar altitude and the azimuth
B Solar altitude the zenith
C Solar altitude and longitude
D Solar altitude and inclination
2. What is the name given to the energy generated
from water?
A Hydropower
B Tidal energy
C Thermal energy
D Wind energy
I I . How many valence electrons is boron having?
A 2
B 3
C 4
D 5
3. How do we call energy generated from heat?
A Hydropower
B Tidal energy
C Thermal energy
D Wind energy
12. A semiconductor without impurities is known as
a/an:
A conductor
B dopant
C extrinsic
Which of the following is a source of non- D intrinsic
renewable energy?
A Wind
B Petroleum
C Tides
D Sun
4.
What arc the free carriers in the different
electronic bands of semiconductor?
A Electrons in conduction band and holes in
valence band
B Holes in conduction band and electrons in
valence band
C Both electrons and holes in conduction
band when an electric field is applied
D Both electrons and holes in valence band
when an electric field is applied
13.
5. The main source of energy on earth is
A the wind
B water
C tides
D the sun
6. Give one disadvantage of fossil energy.
A It is a cheap source of energy
B It is very unstable
C It does not emits greenhouse gases
D Freely available
Photovoltaic module has many parts. Which part
is responsible for power generation?
A Terminal box
B Front glass
C Solar cell
D Frame
14.
An advantage of using fossil fuel is that
A it is a renewable source of energy
B it is a cheap source of energy
C it does not pollute the environment
D it causes no danger in production
7.
Why are solar panels painted black?
A To aid absorb maximum energy from the
15.
sun
B To aid reflect maximum energy from the
sun
Energy from the sun is transferred to the earth via
A heat
B wind
C surface azimuth
D electromagnetic radiation
8. C To aid emit maximum energy from the
sun
D To aid radiate maximum energy from the
sun
Output current of a PV module can be increased
by increasing
A shades
B irradiance
C cloud cover
D the size of the output cable
16.
The angle which describes the angular deviation
of the sun from directly south is known as the:
A azimuth angle
B declination angle
C zenith angle
D incli
