Question

More than one correct answers are possible. Mark the correct answers.

Which of the following materials are used for making diodes?

• A. Ampicillin
• B. Germanium
• C. Steel
• D. Silicon

Answer 1

Answer: (B), (D)

Silicon

Explanation for the correct option -

Option (B) Germanium - It is a semiconductor.

Option (D) Silicon - It is a semiconductor.

• Diodes are made up of silicon but semiconductors such as germanium, gallium, etc are also used to make diodes.

Explanation for the incorrect option -

Option (A) Ampicillin - It is used to treat certain infections caused by bacteria.

Option (C) Steel - It is an alloy.

Therefore, option (B) Germanium, and Option (D) Silicon are the correct answer.