Quiz

Q1. For a 12 pulse operation, the two 6 pulse units are fed by

Q2. In order to obtain static voltage equalization in series-connected SCRs, connect

Q3. The turn on time of SCR does not include:

Q4. DIAC and TRIAC both are semiconductor devices and conduct in

Q5. The turn-off time of GTO does NOT include:

Q6. The number of P-N junctions in a thyristor is/are

Q7. Which chopper circuit operates in all the 4 quadrants?

Q8. Which of the following error in moving iron type instruments can be removed by connecting a capacitor of suitable value in parallel with the swamp resistance of the instrument?

Q9. Creeping is the phenomenon which occurs in

Q10. The principle of operation of LVDT is based on variation of