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1.
A resistor connected across the gate and cathode of a thyristor increase its
2.
P-side emitter in UJT is
3.
Inverter converts
4.
The latching current of an SCR is 12 mA. Its holding current will be
5.
In series connected thyristors
6.
When thyristor and transistor as a switch are compared, the true statement is
7.
In DC chopper, the waveform for input and output voltages are respectively
8.
When emitter terminal of a UJT is open then the resistance of the base terminal is
9.
A half-controlled single-phase bridge rectifier is supplying an R-L load. It is operated at a firing angle a and the load current is continuous. The fraction of cycle that the freewheeling diode conducts is
10.
If the firing angle in an SCR rectifier is decreased, the output is