electronics-thyristors-and-tranducers Related Question Answers

1. A UJT has:





2. The only way to close an SCR is with:





3. What is an SCR?





4. What type of application would use a photovoltaic cell?





5. A patient with blood group A needs transfusion of blood. If blood group A is not available which of the following blood group can be substituted without causing any damage to the patient?





6. The smallest amount of current that the cathode-anode can have, and still sustain conduction of an SCR is called the:





7. Once a DIAC is conducting, the only way to turn it off is with:





8. When was ‘Indira Gandhi Paryavaran Puraskar’ come to being?





9. The DIAC is a:





10. What type of application would use an injection laser diode?





11. The PUT (programmable unijunction transistor) is actually a type of:





12. A transducer's function is to:





13. The optically coupled isolator interrupter module is used to transfer switching information between two electrically isolated points.



14. A photodiode is a device that produces light.



15. To turn an SCR off, simply remove the gate voltage.



16. A thermistor is a semiconductor device that acts like a piezoresistive resistor.



17. A silicon-controlled rectifier (SCR) has 3 terminals labeled base, collector, and emitter.



18. The DIAC conducts in only one direction when gated on.



19. A DIAC is a bidirectional diode that has a symmetrical switching mode.



20. A transducer does not convert energy from one form to another.



21. A semiconductor using the hall effect will detect magnetic fields.



22. The silicon-controlled rectifier (SCR) is a three-layer device consisting of a gate, an anode, and a cathode.



23. The gate of a TRIAC can turn it on to have current flow in either direction.



24. SCRs are four-layer devices that are either fully conducting or not conducting.



25. A TRIAC will control AC voltage during the positive half cycle only.



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