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WorksheetsUnderstanding Electric Cells
Total questions: 15
Worksheet time: 8mins
What are the main components of an electric cell?
The main components of an electric cell are electrodes, electrolyte, and separator.
Battery, conductor, insulator
Magnet, resistor, capacitor
Wire, fuse, switch
Name two types of electric cells.
Thermal cell
Fuel cell
Solar cell
Primary cell, Secondary cell
What is the role of the electrolyte in an electric cell?
The electrolyte allows ion movement and maintains charge balance in an electric cell.
The electrolyte generates electricity by itself.
The electrolyte acts as a conductor of heat in the cell.
The electrolyte prevents any movement of ions within the cell.
How does a primary cell differ from a secondary cell?
A primary cell is non-rechargeable, while a secondary cell is rechargeable.
A primary cell has a longer lifespan than a secondary cell.
A primary cell can be recharged multiple times, while a secondary cell cannot.
A primary cell is used in high-drain devices, while a secondary cell is used in low-drain devices.
What chemical reaction occurs in a simple electric cell?
Combustion reaction occurs in a simple electric cell.
Redox reaction (oxidation and reduction) occurs in a simple electric cell.
Synthesis reaction occurs in a simple electric cell.
Decomposition reaction occurs in a simple electric cell.
What is the function of the anode in an electric cell?
The anode functions as the site of oxidation and electron release in an electric cell.
The anode generates heat to power the cell.
The anode is the site of reduction and electron absorption.
The anode serves as a storage unit for electrical energy.
What does the cathode do in an electric cell?
The cathode generates electricity without any electron transfer.
The cathode loses electrons and is the site of oxidation.
The cathode is the positive terminal of the cell.
The cathode gains electrons and is the site of reduction in an electric cell.
Draw the symbol for a simple electric cell.
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What is the purpose of a battery made of electric cells?
To store and provide electrical energy.
To provide a source of light for illumination.
To generate heat for cooking.
To convert electrical energy into mechanical energy.
List one application of electric cells in everyday life.
Batteries in electronic devices
Solar panels for energy generation
Electric cars for transportation
Light bulbs for illumination
What type of electric cell is rechargeable?
Lithium-ion, nickel-cadmium, and nickel-metal hydride cells
Zinc-carbon cells
Lead-acid cells
Alkaline cells
What happens to the chemical reactants in a cell over time?
Chemical reactants are transformed into products through biochemical reactions.
Chemical reactants are eliminated from the cell without transformation.
Chemical reactants are stored as energy reserves.
Chemical reactants remain unchanged over time.
How do electric cells convert chemical energy?
Electric cells convert electrical energy into chemical energy.
Electric cells generate heat energy through combustion.
Electric cells store energy without any chemical reactions.
Electric cells convert chemical energy into electrical energy through electrochemical reactions.
What is the significance of the voltage rating in an electric cell?
The voltage rating is irrelevant to the cell's performance.
The voltage rating determines the color of the cell casing.
The voltage rating indicates the physical size of the cell.
The voltage rating signifies the potential difference the cell can provide, impacting its energy delivery and compatibility with devices.
What is a fuel cell and how does it work?
A fuel cell generates electricity by burning fossil fuels directly.
A fuel cell is an electrochemical device that converts chemical energy into electricity, water, and heat.
A fuel cell is a type of battery that stores energy for later use.
A fuel cell is a mechanical device that converts wind energy into electricity.
