The consumption of energy by a 60 watt bulb in 2 sec is_________________?

Related Mcqs:

1. The relation between horse power and watt is_________________?

   A. 1 hp = 546 watts
   B. 1 hp = 746 watts
   C. 1 hp = 1000 watts
   D. 1 hp = 946 watts

2. When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are________________?

   A. 5m/s, 1m/s
   B. 3m/s, 3m/s
   C. 6m/s, 1m/s
   D. 4m/s, 2m/s

3. The force beared by a wall on which water strikes normally at a speed of 10m/sec and at a discharge of 0.0001m3/sec is__________________?

   A. 1 N
   B. 10 N
   C. 100 N
   D. none

4. One mega watt hour is equal to_________________?

   A. 36 x 106 J
   B. 36 x 1012 J
   C. 36 x 109 J
   D. 36 x 108 J

5. There are three bulbs of 60W 100W and 200W which bulb has thickest filament ?

   A. 100W
   B. 200W
   C. 60W
   D. all

6. Which one of the following materials is useful for making bulb filaments ?

   A. constantan
   B. nichrome
   C. copper
   D. tungsten

7. How much heat does a 40 W bulb generates in one hour ?

   A. 144000J
   B. 144J
   C. 1.44J
   D. 14J

8. Three bulbs are rating 40W 60W and 100W designed to work on 220V mains. Which bulb will burn most brightly if they are connected in series across 220 V mains ?

   A. 40 W bulb
   B. 60 W blub
   C. 100 W blub
   D. all will burn equally brightly

9. If a glass plate is inserted in between the plate of a capacitor in series with a lighted bulb the brightness of the bulb________________?

   A. Remains same
   B. Brightness increases
   C. Brightness decreases
   D. No light

10. Geothermal energy is a _______________________ source of energy?

    A. non-renewable
    B. stable
    C. renewable
    D. none of the above