Question

On doping Ge metal with a little of In (indium), we get:

Options

• N-type Semi-conductor   

• P-type Semi-conductor

• Insulator

• Rectifier

Answer 1

P-type Semi-conductor

Explanation:

Ge is a group 14 element, while In is a group 13 element, on doping certain holes will be created to form P-type semiconductors.