engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Utilization of Electrical Energy Lamps and Bulbs
Which of the following statement/s is/are incorrect?
1. Neon discharge lamp is a cold cathode lamp.
2. Neon discharge lamp is used as an indicator lamp.
1
Only 1
2
1 & 2
3
Only 2
4
None of the above