Which of following is not a power transistor?

Related Mcqs:

1. Compared to transistor, _________ have lower on state conduction losses and higher power handling capability?

   A. TRIACs B. Semi conductor diodes C. MOSFETs D. Thyristor...

2. Power transistor are type of___________?

   A. B.JTs B. MOSFETs C. IGBTs D. All of above...

3. Which semiconductor device acts like a diode and two transistor?

   A. UJT B. Diac C. Triac D. SCR...

4. Power electronics essentially deals with control of a.c. power at____________?

   A. Frequencies above 20 kHz B. Frequencies above 1000 kHz C. Frequencies less than 10 Hz D. 50 Hz frequency...

5. For an SCR gate – cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance_____?

   A. 111.9 Ω. B. 11.19 Ω. C. 108 Ω. D. 115 Ω...

6. A modern power semiconductor device that combines the characteristic of BJT and MOSFET is_____________?

   A. IGBT B. FCT C. MCT D. GTO...

7. The power demand can be estimated approximately by___________?

   A. Load survey method B. Mathematical method C. Statistical method D. Economic parameters...

8. Electrical power output in a d.c. generator is equal to____________?

   A. Electrical power developed in armature – copper losses B. Mechanical power input – iron and friction losses C. Electrical power developed in armature – iron and copper losses D. Mechanical power input – iron and friction losses – copper losses...

9. In a square – wave operation of 3 phase CSIs, the power values are on for___________?

   A. 60 degree B. 90 degree C. 120 degree D. 150 degree...

10. The power demand can be estimated approximately by____________?

    A. Load survey method B. Mathematical method C. Statistical method D. Economic parameters...