JSS 1 Solar PV Installation and Maintenance Flashcards: Meaning, Types and Electricity Generation with Solar PV Systems

Question 1

What does photovoltaic mean?

Accepted Answer

the direct conversion of light into electricity

Question 2

A solar PV module is ____.

Accepted Answer

a connected group of solar cells enclosed for protection

Question 3

The basic device that produces electricity from sunlight is a ____.

Accepted Answer

solar cell

Question 4

Which solar module type is made from single-crystal silicon cells: monocrystalline, polycrystalline, thin-film, or thermal?

Accepted Answer

monocrystalline

Question 5

Polycrystalline panels are made from ____.

Accepted Answer

multiple silicon crystal fragments

Question 6

Thin-film PV modules use ____.

Accepted Answer

thin photovoltaic layers deposited on a surface

Question 7

Solar cells initially produce ____ electricity.

Accepted Answer

direct-current

Question 8

The energy input to a solar PV panel is ____.

Accepted Answer

sunlight

Question 9

In a grid-independent PV system, a battery bank is used to ____.

Accepted Answer

store electrical energy for later use

Question 10

A charge controller mainly regulates electricity flowing between the panel and ____.

Accepted Answer

battery

Question 11

An inverter changes solar-system DC electricity into ____.

Accepted Answer

AC electricity for suitable appliances

Question 12

A complete PV system may include panels, controller, batteries, inverter, cables, and ____.

Accepted Answer

electrical loads

Question 13

When sunlight strikes a PV cell, electrons are set in motion to create ____.

Accepted Answer

electric current

Question 14

Why does shading part of a solar panel reduce output?

Accepted Answer

Shaded cells receive less light for generating electricity.

Question 15

Panel output is generally highest when the panel receives ____.

Accepted Answer

strong, direct sunlight

Question 16

Which device measures energy exchanged with a utility grid: energy meter, charge controller, battery, or mounting rail?

Accepted Answer

energy meter

Question 17

A solar array is ____.

Accepted Answer

two or more PV modules electrically connected

Question 18

Which is NOT a function of a PV panel: storing energy overnight, converting sunlight to electricity, supplying DC power, or charging a battery through a controller?

Accepted Answer

storing energy overnight

Question 19

The correct energy pathway in a basic battery-backed system is panel → charge controller → battery → ____.

Accepted Answer

inverter or DC load

Question 20

Before selecting a PV module type, an installer should consider output needs, available space, and ____.

Accepted Answer

cost and site conditions

Strong work.

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