Surge current rating of an SCR is – McqOptions

MCQOPTIONS

1.	Surge current rating of an SCR is
A.	the maximum repetitive surge current in which the SCR can withstand
B.	the maximum non-repetitive surge current in which the SCR can withstand
C.	the maximum repetitive or non repetitive surge current in which the SCR can withstand
D.	the maximum surge current in which the SCR can withstand if both surge current and steady current exist together
Answer» C. the maximum repetitive or non repetitive surge current in which the SCR can withstand

Discussion

No Comment Found

Related MCQs

For 3 phase rotary converters, when power factor is unity. the ac line to dccurrent ratio is
When a thyristor turn on, the gate drive:
In a three phase half-wave cycloconverter ___________
The frequency of the ripple in the output voltage of 3-phase semiconductor depends on:
Current derating may be necessary when thyristors areoperating in
In a single phase half-wave thyristor circuit with R load & Vs=Vm sinωt,the maximum value of the load current can be given by
Least undulating current will be delivered by which mercury arc rectifier
Harmonics in 3 phase inverters can be reduced by using
In the method of phase control, the phase relationship between ___ & ___ iscontrolled by varying the firing angle
Calculate the output voltage of the Boost converter if the supply voltage is156 V and duty cycle value is .4.