Cátodo

The video explains the role of the cathode in different devices. In power-consuming devices, the cathode is negative, while in energy-providing devices, it is positive. During electrolysis, the cathode is negatively charged and connected to the negative terminal of a power supply, attracting cations that gain electrons.

What is the charge of the cathode in a device that consumes power?

• Positive

• Negative

• Neutral

In electrolysis, what role does the cathode play?

• It provides energy

• It attracts cations

• It is the positive terminal

What is the significance of the cathode's charge in electrolysis?

• It determines the flow of current

• It attracts anions

• It has no significance

Describe the connection of the cathode in a power supply.

• Connected to the positive terminal

• Connected to the negative terminal

• Not connected at all

What happens to cations at the cathode during electrolysis?

• They lose electrons

• They gain electrons

• They are repelled