In a galvanic cell

Fuel cells are special types of galvanic cells.What are galvanic cells?

Define a Galvanic cell. Give the diagramatic representation of a typical galvanic cell with cell reaction.

The EMF of a galvanic cell is measured by

Which is true for a galvanic cell?

What are galvanic cells ? Explain the woriking of a galvanic cell with a neat sketch taking Denicell cell as example.