Multiple Choice Questions on Electrical Components

What is a device that stores energy and uses chemical reactions to make a current flow in a complete circuit?

• Battery

• Electrode

• Cell

• LED

What is made up of one or more cells joined together?

• Electrolyte

• Circuit

• Battery

• Electrode

What must be complete (closed) in order to work and contains a power supply and components?

• Battery

• Circuit

• LED

• Electrolyte

What are the two parts of a cell that are made of different materials and have positive and negative charges?

• LED

• Circuit

• Electrodes

• Electrolytes

What is the liquid in a cell that conducts an electric current?

• Electrolyte

• LED

• Circuit

• Electrode

What electrical component produces light when an electric current flows through in one direction?

• Battery

• LED

• Electrolyte

• Circuit

Who developed the first working battery?

• Michael Faraday

• Alessandro Volta

• Thomas Edison

• Nikola Tesla

What was the name of the first battery?

• Lead-acid battery

• Lithium-ion battery

What is the main component of a battery that stores energy?

• Electrolyte

• Electrode

• Voltaic pile

• Dry cell

What is the main function of an electrolyte in a battery?

• To store electricity

• To conduct charged particles between electrodes

• To generate heat

• To prevent corrosion