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Solar power
52問 • 1年前
  • Geneva Pahil
    • 通報

    問題一覧

  • 1

    It is system that generates electricity from sunlight, by means of a solar cell

    Photovoltaic

  • 2

    The most appropriate solution to energy supply problem in the rural areas

    Photovoltaic

  • 3

    What is the total education energy which strikes the earth surface over a period of one year?

    About 10 to 18 kW are which is 30,000 times greater than a present global primary energy need

  • 4

    The radiation intensity of global radiation in case of vertical incidents is how many degrees

    90° altitude

  • 5

    The daily sum of global radiation and horizontal surface on a sunny day, in the vicinity of equator, is estimated to be

    6 to 8 kW or per square meter day

  • 6

    What type of solar cell that is widely used today?

    Pure silicon

  • 7

    What is the thickness of solar cell?

    0.3 mm

  • 8

    It is dope with boron atom to make it a positive conductor

    Silicon crystal

  • 9

    It is applied to one side of the silicon plate, which is the thin layer of negative conductor made of

    Phosphorus and arsenic

  • 10

    If the diode is exposed to light, the blank, penetrating the cell releases electrons from the valence band to the conductor band

    Photons

  • 11

    The presence of this in the space charge region caused the holes to migrate from the negative to the positive side and electrons from the positive side to the negative side

    Electric field

  • 12

    The separation of the pairs of blank generates voltage between the top and bottom of the diode, and an electric current is produced which flows through the circuit

    Charge carriers

  • 13

    Excess energy generated in the photo cell is converted into what energy

    Heat energy

  • 14

    Solar cell converts, only part of the absorbed radiation into what energy

    Electrical energy

  • 15

    It is obtained by dividing the electric power to the total incident, radiation intensity

    Efficiency of solar cell

  • 16

    Mono crystalline or SI has what number of theoretical efficiency

    22

  • 17

    Monocrystalline has an experimental efficiency of

    16

  • 18

    CU2CdS Has a theoretical efficiency of

    18

  • 19

    Cu2Cds has an experimental efficiency of

    Seven

  • 20

    The power output of the solar cell increases, more or less indirect proportion, increased in the blank

    Radiation intensity

  • 21

    It can be possibly utilize the power output of the solar cell even at very low _______

    Radiation intensity level

  • 22

    What is the dimension of the solar cell module?

    560 mm long by 480 mm wide and 13 mm thick

  • 23

    How many solar cells are there in a 76 mm diameter panel that has a weight of approximately 4 kg

    36 solar panels

  • 24

    The short circuit current is equal to

    1150 mA

  • 25

    The open circuit voltage is

    20.8 voltage

  • 26

    The output, current and power are

    1010 mega Ampor and 15.9 W

  • 27

    What are the photovoltaic system?

    The solar module, Battery , Charge regulator, Lamp and radios, Cable

  • 28

    Are an array of the solar cells which are interconnected and encapsulated behind a glass cover

    Solar modules

  • 29

    The stronger the light on the cells and the larger the cell surface. The more electricity is generated, and the higher, the ______

    Current

  • 30

    It has the best efficiency of about 14% of the sunlight can be utilize. This is more expensive than the multi crystalline silicon.

    Mono crystalline silicon

  • 31

    It has an efficiency of 11% and less expensive expensive from the monocrystalline silicon

    Multi crystalline silicon

  • 32

    It is widely used for small appliances, such as watches and calculators

    Amorphous silicon

  • 33

    It has an efficiency, lower and long-term stability is also low

    Amorphous silicon

  • 34

    In 12 V system all the modules are switched in

    Parallel

  • 35

    This is a system where two modules are connected in series

    24 V system

  • 36

    It stores the energy delivered by the modules and provides power for various appliances

    Battery

  • 37

    It covers speed load which the generator cannot meet on its own

    Battery

  • 38

    It provides energy during the night or it has short term storage

    Battery

  • 39

    Compensate for periods of bad weather, or unusually high energy, demand or medium term storage

    Battery

  • 40

    Most commonly employed type of battery for photovoltaic system

    Automotive batteries

  • 41

    They are designed to deliver high current over short. Period.

    Automotive batteries

  • 42

    They cannot withstand the continuous cycle of charging and discharging the third typical for solar system

    Automotive batteries

  • 43

    They are more appropriate and easily accessible alternatives for solar Photovoltaic system

    Heavy duty track batteries

  • 44

    They are designed for solar photovoltaic system

    Solar batteries

  • 45

    They have low sensitivity to cyclic operation

    Solar batteries

  • 46

    It protects the battery against overcharging and deep discharging, both of which are harmful for delivery

    Charge regulator

  • 47

    It reduces the current delivered by the solar modules to a level which equalize the natural losses if the battery is full

    Charge regulator

  • 48

    It also interrupts the amount of energy supplied to the load appliances when the battery has discharged to a critical level

    charge regulator

  • 49

    They are electronic components in such may be affected by malfunctions and improper handling of the system

    Charger regulator

  • 50

    It can minimize losses in the system when you use appropriately

    Cables

  • 51

    It should be short as possible

    Cables

  • 52

    Cable connected to different appliances should have a cross-sectional area of at least

    1.5 mm²

    • GEL

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    問題一覧

  • 1

    It is system that generates electricity from sunlight, by means of a solar cell

    Photovoltaic

  • 2

    The most appropriate solution to energy supply problem in the rural areas

    Photovoltaic

  • 3

    What is the total education energy which strikes the earth surface over a period of one year?

    About 10 to 18 kW are which is 30,000 times greater than a present global primary energy need

  • 4

    The radiation intensity of global radiation in case of vertical incidents is how many degrees

    90° altitude

  • 5

    The daily sum of global radiation and horizontal surface on a sunny day, in the vicinity of equator, is estimated to be

    6 to 8 kW or per square meter day

  • 6

    What type of solar cell that is widely used today?

    Pure silicon

  • 7

    What is the thickness of solar cell?

    0.3 mm

  • 8

    It is dope with boron atom to make it a positive conductor

    Silicon crystal

  • 9

    It is applied to one side of the silicon plate, which is the thin layer of negative conductor made of

    Phosphorus and arsenic

  • 10

    If the diode is exposed to light, the blank, penetrating the cell releases electrons from the valence band to the conductor band

    Photons

  • 11

    The presence of this in the space charge region caused the holes to migrate from the negative to the positive side and electrons from the positive side to the negative side

    Electric field

  • 12

    The separation of the pairs of blank generates voltage between the top and bottom of the diode, and an electric current is produced which flows through the circuit

    Charge carriers

  • 13

    Excess energy generated in the photo cell is converted into what energy

    Heat energy

  • 14

    Solar cell converts, only part of the absorbed radiation into what energy

    Electrical energy

  • 15

    It is obtained by dividing the electric power to the total incident, radiation intensity

    Efficiency of solar cell

  • 16

    Mono crystalline or SI has what number of theoretical efficiency

    22

  • 17

    Monocrystalline has an experimental efficiency of

    16

  • 18

    CU2CdS Has a theoretical efficiency of

    18

  • 19

    Cu2Cds has an experimental efficiency of

    Seven

  • 20

    The power output of the solar cell increases, more or less indirect proportion, increased in the blank

    Radiation intensity

  • 21

    It can be possibly utilize the power output of the solar cell even at very low _______

    Radiation intensity level

  • 22

    What is the dimension of the solar cell module?

    560 mm long by 480 mm wide and 13 mm thick

  • 23

    How many solar cells are there in a 76 mm diameter panel that has a weight of approximately 4 kg

    36 solar panels

  • 24

    The short circuit current is equal to

    1150 mA

  • 25

    The open circuit voltage is

    20.8 voltage

  • 26

    The output, current and power are

    1010 mega Ampor and 15.9 W

  • 27

    What are the photovoltaic system?

    The solar module, Battery , Charge regulator, Lamp and radios, Cable

  • 28

    Are an array of the solar cells which are interconnected and encapsulated behind a glass cover

    Solar modules

  • 29

    The stronger the light on the cells and the larger the cell surface. The more electricity is generated, and the higher, the ______

    Current

  • 30

    It has the best efficiency of about 14% of the sunlight can be utilize. This is more expensive than the multi crystalline silicon.

    Mono crystalline silicon

  • 31

    It has an efficiency of 11% and less expensive expensive from the monocrystalline silicon

    Multi crystalline silicon

  • 32

    It is widely used for small appliances, such as watches and calculators

    Amorphous silicon

  • 33

    It has an efficiency, lower and long-term stability is also low

    Amorphous silicon

  • 34

    In 12 V system all the modules are switched in

    Parallel

  • 35

    This is a system where two modules are connected in series

    24 V system

  • 36

    It stores the energy delivered by the modules and provides power for various appliances

    Battery

  • 37

    It covers speed load which the generator cannot meet on its own

    Battery

  • 38

    It provides energy during the night or it has short term storage

    Battery

  • 39

    Compensate for periods of bad weather, or unusually high energy, demand or medium term storage

    Battery

  • 40

    Most commonly employed type of battery for photovoltaic system

    Automotive batteries

  • 41

    They are designed to deliver high current over short. Period.

    Automotive batteries

  • 42

    They cannot withstand the continuous cycle of charging and discharging the third typical for solar system

    Automotive batteries

  • 43

    They are more appropriate and easily accessible alternatives for solar Photovoltaic system

    Heavy duty track batteries

  • 44

    They are designed for solar photovoltaic system

    Solar batteries

  • 45

    They have low sensitivity to cyclic operation

    Solar batteries

  • 46

    It protects the battery against overcharging and deep discharging, both of which are harmful for delivery

    Charge regulator

  • 47

    It reduces the current delivered by the solar modules to a level which equalize the natural losses if the battery is full

    Charge regulator

  • 48

    It also interrupts the amount of energy supplied to the load appliances when the battery has discharged to a critical level

    charge regulator

  • 49

    They are electronic components in such may be affected by malfunctions and improper handling of the system

    Charger regulator

  • 50

    It can minimize losses in the system when you use appropriately

    Cables

  • 51

    It should be short as possible

    Cables

  • 52

    Cable connected to different appliances should have a cross-sectional area of at least

    1.5 mm²