_______________has the least value of starting torque to full load torque ratio?

Related Mcqs:

1. A transformer coupled class A power amplifier has a load of 100 O on the secondary. If the turn ratio is 10:1, what is the value of load appearing on the primary?

   A. 5 kO
   B. 20 kO
   C. 100 kO
   D. 10 kO

2. The starting torque in case of centrifugal pumps is generally_________________?

   A. less than running torque
   B. same as running torque
   C. slightly more than running torque
   D. double the running torque

3. The starting torque of a D.C. motor is independent of which of the following?

   A. Flux
   B. Armature current
   C. Flux and armature current
   D. Speed

4. A certain voltage divider consists of three 1 kΩ resistors in series. Which of the following load resistors will have the least effect on the output voltage?

   A. 1 MΩ
   B. 100 kΩ
   C. 1 kΩ
   D. 330 Ω

5. The slope of a.c. load line is ______________ that of d.c. load line?

   A. The same as
   B. More than
   C. Less than
   D. None of the above

6. In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of _____________________?

   A. RC + RL
   B. RC || RL
   C. RL
   D. RC

7. If RC and RL represent the collector resistance and load resistance respectively in a single stage transistor amplifier, then a.c. load is____________________?

   A. RL + RC
   B. RC || RL
   C. RL – RC
   D. RC

8. The d.c. load of a transistor amplifier is generally_______________ that of a a.c. load?

   A. The same as
   B. Less than
   C. More than
   D. None of the above

9. A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ________________________?

   A. RC
   B. RC || RE
   C. RC – RE
   D. RC + RE

10. Which of the following works on torque on the current carrying conductor placed in magnetic field ?

    A. galvanometer
    B. ammeter
    C. voltmeter
    D. all of the above