SAIL ECE Question paper

Tell me from where i can get Steel Authority of India Limited Electronics Communication Engg question paper???

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1.Which of the following have least noise margin - CMOS,TTL,ETL,TTL

2.Which of the following has least propogation delay? - TTL,CMOS etc

3.choose the correct one - options are like - ECL-low prop delay,low o/p swing,faster,high power

4.why fanout of cmos is freq dependent?

5. how to interface a TTL to a CMOS?

6. The thenenin eq cricuit of the follwing is?

7. Kirchoff's II law based on ?

8. Ohm's law is not applicable to?

9. Element used in heater is made up of?

10. No. of e- flowing in 1 sec for a current of 1 A is ?

11. Superpostion principle depends on ? - Duality

12. In case of Max power transfer , max power tranfereed to load is ? % of supplied power?

13. voltage dependent resistor used in ? - Current stabilizer
SAIL ECE Question paper