QUIZ 1 - PV Cells, Modules, Systems and Applications

QUIZ 1
PV Cells & Modules,
Systems and Applications

Basic Photovoltaics (PV 101)

Multiple Choice

What is the power output of a solar panel with a voltage of 24V and a current of 5A?

• 24W

• 25W

• 30W

• 120W

Multiple Choice

What is the current of a solar panel with a power output of 300W and a voltage of 24V?

• 12.5A

• 25A

• 50A

• 72A

Multiple Choice

What is the voltage of a solar panel with a power output of 200W and a current of 8A?

• 16V

• 25V

• 50V

• 100V

Multiple Choice

What is the power output of a solar panel with a voltage of 36V and a current of 3.5A?

• 108W

• 126W

• 144W

• 180W

Multiple Choice

Which material is commonly used as the semiconductor in solar cells?

• Silicon

• Copper

• Aluminium

• Zinc

Multiple Choice

What is the efficiency of a typical commercial solar PV module?

• 10-15%

• 20-25%

• 30-35%

• 40-45%

Multiple Choice

What is the function of the anti-reflective coating on a solar PV module?

• To absorb sunlight

• To reflect sunlight back to the sun

• To reduce light reflection and increase light absorption

• To make the module look more attractive

Multiple Choice

What is the typical lifespan of a solar PV module?

• 5-10 years

• 10-15 years

• 20-25 years

• 30-35 years

Multiple Choice

What is the difference between a monocrystalline and a polycrystalline solar PV module?

• Monocrystalline modules are more efficient than polycrystalline modules

• Polycrystalline modules are more efficient than monocrystalline modules

• Monocrystalline modules are made from a single crystal of silicon, while polycrystalline modules are made from multiple crystals

• Polycrystalline modules are made from a single crystal of silicon, while monocrystalline modules are made from multiple crystals

Multiple Choice

What is the purpose of the junction box on a solar PV module?

• To protect the module from physical damage

• To connect the module to other modules in a solar array

• To convert DC electricity to AC electricity

• To protect the module from water and dust ingress

Multiple Choice

What is the efficiency of a solar panel?

• The ratio of the panel's power output to its surface area

• The ratio of the panel's power output to its weight

• The ratio of the panel's power output to the amount of sunlight it receives

• The ratio of the panel's power output to its cost

Multiple Choice

Which of the following factors affects the power output of a solar panel?

• The angle of the sun

• The temperature of the solar panel

• The amount of dust or debris on the solar panel

• All of the above

Multiple Choice

Which of the following is a disadvantage of thin-film solar panels compared to crystalline silicon panels?

• They are less efficient

• They are more expensive

• They are more fragile

• They are less adaptable to different installation locations

Multiple Choice

Which of the following types of solar panels can produce electricity even in low-light conditions?

• Monocrystalline silicon panels

• Polycrystalline silicon panels

• Thin-film panels

• All of the above

Multiple Choice

What is the primary factor that determines the power output of a solar panel?

• Its voltage

• Its current

• Its efficiency

• Its surface area

Multiple Choice

Which of the following is a benefit of using solar energy?

• It is a renewable resource

• It produces no air pollution

• It can save consumers money on their electricity bills

• All of the above

Multiple Choice

Which type of system, more than any other, needs an adequate amount of energy storage and power generation for periods of little or no solar activity?

• Multimode System

• Utility Scale Solar System

• Stand Alone/ Off Grid

• Microgrid System

Multiple Choice

This device turns DC current into AC current

• Multimeter

• Inverter

• DC Converter

• O-Scope

Multiple Choice

With a grid tied system (Utility Interactive), if you are away from the house and your system produces more than you can consume you can send the excess to the grid by way of the utility to feed you neighbors.

True or false?

• True

• False

Multiple Choice

With a grid tied system, if there is a power outage on the grid your solar energy home system will be cut off as well.

True or False?

• True

• False

Multiple Choice

A Multimode System assures continuity in the supply of electricity, which means the owner will still have power for backup loads, even if utility power is lost.

True or False?

• True

• False

Multiple Choice

Installing lightning arrestors on disconnect switches in a PV array absolutely and completely ensures the system will not be damaged by a lightning strike.

True or False?

• True

• False

Multiple Select

Which of the following statements are true regarding disconnect switches?

Choose all that apply.

• Isolate loads from energy sources

• May contain overcurrent devices, like a fuse

• Capable of being locked in the off (open) position?

• Utility might require you to have a separate disconnecting means by the AC meter

Multiple Choice

Devices that houses the utility feed into a home and the circuit breakers that control power to the different appliances in the house is called

• Load Center

• Hot Box

• Power Center

• Frequency Generator

Multiple Choice

A solar energy system with no connection to the electrical grid is considered a...

• Stand Alone/Off Grid System

• Grid Connected System

• Grid Interactive System

• Universal System

Multiple Choice

The simplest design of all the systems solar power systems, only requiring a PV module/array and a DC Load

• Multimode

• PV Direct

• Battery back up

• Microgrid

PV Cells & Modules

Basic Photovoltaics (PV 101)