Chapter 10 SPECIAL DEVICES MCQs

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1. In zener diode, zener voltage depend on;





2. If the load resistance decreases in a Zener regulator, the Zener current;





3. A thyristor is a semiconductor device which has;





4. A light emitting diode emits light when;





5. Uni junction transistor have terminals;





6. Tunnel diode is also called;





7. If there is no light on photodiode, a very small current flows termed as;





8. The characteristic of negative resistance is not found in device;





9. Following is a light sensitive device;





10. In an optocoupler, input device is a;





11. The output waveform of a relaxation oscillator is;





12. The value of intrinsic stand-off ratio in a UJT is





13. Two thyristors which conduct in both directions;





14. In LCD, the organic compound is used which is in the form;





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