0
What else can I help you with?
What process by which an electric current is produced?
An electric current is produced through a process called electromotive force (EMF), which can be generated by batteries, generators, or solar cells. When a circuit is closed, the EMF causes the flow of electric charge, resulting in an electric current.
What are solar cells made of and how do they work?
Solar cells are typically made of silicon, a semiconductor material. When sunlight shines on the solar cell, it creates an electric field across the layers of silicon, causing electrons to flow, generating an electric current. This current is captured and converted to usable electricity for powering devices or homes.
How are solar cells used?
A group of cells (normally a number divisible by 36) is grouped together to form a solar panel. These solar panels put out a direct current which, in turn is fed into an inverter that converts this energy into alternating current which can be used to run modern electric devices.
How do solar cells work together?
Solar cells are connected together in a solar panel to increase the amount of electricity generated. When sunlight hits the solar cells, they convert the sunlight into electrical energy. The electrical energy produced by each solar cell is combined through the wiring in the solar panel to generate a larger amount of power.
Can electricity be created from sunlight using solar cells?
Yes, solar cells can convert sunlight directly into electricity through the photovoltaic effect. When photons from sunlight hit the solar cell, they excite electrons in the material, creating an electric current. This process allows solar cells to generate clean and renewable energy from sunlight.
What cells are used to harness solar energy and change it to electricity?
Photovoltaic cells, also known as solar cells, are used to harness solar energy and convert it into electricity. These cells are made of semiconductor materials such as silicon, which can absorb sunlight and generate an electric current through the photovoltaic effect.
What do Solar cells convert?
Solar cells convert sunlight into electricity through a process called the photovoltaic effect. This involves the absorption of sunlight by the solar cell, which creates an electric current that can be used to power electrical devices or stored in batteries.
Why semiconductors are used in solar cells?
Semiconductors are used in solar cells because they can convert sunlight into electricity. When sunlight hits the semiconductor material in a solar cell, it creates an electric current by releasing electrons. This process allows solar cells to harness renewable energy from the sun and generate electricity.
Can electrical energy be produced from radiant energy?
Yes, electrical energy can be produced from radiant energy through processes like photovoltaic (solar) cells. These cells convert light energy into electrical energy by utilizing the photoelectric effect, where light photons excite electrons in the material to generate an electric current.
What is the source of electric current onboard the space shuttle?
The source of electric current onboard the space shuttle is primarily generated by fuel cells or solar panels. Fuel cells convert hydrogen and oxygen into electricity, while solar panels harness energy from the sun and convert it into electrical power to supply the shuttle's systems.
What kind of energy do solar panels convert radiant energy into?
Solar panels convert radiant energy from the sun into electricity through a process called the photovoltaic effect, where photons of light excite electrons in the solar cells, generating an electric current.
What transformation of energy occur in solar cells?
In solar cells, the transformation of energy involves converting sunlight (solar energy) into electrical energy through the photovoltaic effect. When sunlight hits the solar panel, it excites the electrons in the semiconductor material, creating an electric current that can be used as electricity.
