Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 Current Affairs Science and Technology
Which of the following elements are used in electronic applications?
1. Gallium
2. Germanium
3. Tungsten
4. Antimony
5. Graphite
Select the correct answer using the code given below:1
1, 2 and 4 only
2
2, 3 and 5 only
3
1, 2, 3 and 4 only
4
All of the above