[amp_mcq option1=”solar cell” option2=”thermocouple” option3=”chemical cell” option4=”electric device E. None of the above” correct=”option3″]
The correct answer is: C. chemical cell
A chemical cell is a device that converts chemical energy to electrical energy. It does this by using a chemical reaction to create an electric current. The most common type of chemical cell is the voltaic cell, which is also known as a battery.
A voltaic cell consists of two electrodes, an anode and a cathode, which are separated by an electrolyte. The anode is the electrode where oxidation occurs, while the cathode is the electrode where reduction occurs. The electrolyte is a substance that allows ions to flow between the electrodes.
When the cell is connected to an external circuit, electrons flow from the anode to the cathode. This flow of electrons creates an electric current. The amount of current that is produced depends on the type of chemical reaction that is taking place in the cell.
Chemical cells are used in a variety of applications, including batteries, fuel cells, and electroplating.
A. solar cell is a device that converts light energy into electrical energy. It does this by using the photovoltaic effect, which is the process by which light can be converted into electricity. Solar cells are used in a variety of applications, including solar panels, calculators, and watches.
B. thermocouple is a device that converts heat energy into electrical energy. It does this by using the thermoelectric effect, which is the process by which a temperature difference can be used to generate an electric current. Thermocouples are used in a variety of applications, including temperature measurement, temperature control, and power generation.
D. electric device is a device that uses electricity to operate. Electric devices can be powered by a variety of sources, including batteries, power lines, and solar panels. Electric devices are used in a variety of applications, including lighting, heating, cooling, and transportation.
E. None of the above is not a correct answer.