Power for lighting in passanger coach, in a long distance electric train, is provided_________________?

Related Mcqs:

1. The electric charge of 100 °C is 13cm apart from another charge 16.9°C electric force between them is_____________?

   A. 9x107N B. 900N C. 9x105N D. 9x106N...

2. Electric intensity at infinite distance from the point charge is_____________?

   A. zero B. infinite C. positive D. negative...

3. In a steam locomotive electric power is provided through_____________?

   A. overhead wire B. battery system C. small turbo-generator D. diesel engine generator...

4. What will be the collector efficiency of a power amplifier having zero signal power dissipation of 5 watts and a.c. power output of 2 watts ?

   A. 20% B. 80% C. 40% D. 50%...

5. The maximum a.c. power output from a class A power amplifier is 10 W. What should be the minimum power rating of the transistor used ?

   A. 10 W B. 15 W C. 5 W D. 20 W...

6. The output power of a transistor amplifier is more than the input power because the additional power is supplied by__________________?

   A. Transistor B. Biasing circuit C. Collector supply VCC D. None of the above...

7. Which instrument is used to measure the power of electric circuit ?

   A. Wavemeter B. Viscometer C. Wattmeter D. None of these Submitted by: Rashid Mehmood...

8. The wheels of a train, engine as well as bogies, are slightly tapered to_____________?

   A. reduce friction B. increase friction C. facilitate braking D. facilitate in taking turns...

9. The speed of a superfast train is______________?

   A. 60 kmph B. 75 kmph C. 100 kmph D. more than 100 kmph...

10. The resistance encountered by a train in motion is on account of_________________?

    A. resistance offered by air B. friction at the track C. friction at various parts of the rolling stock D. all of the above...