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

Related Mcqs:

1. 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...

2. Which one of the following bulbs has the least resistance ?

   A. 100 watt B. 200 watt C. 300 watt D. 60 watt...

3. Quality of X-rays depends upon ____________ A-filament current B-accelerating voltage C-material of the target ?

   A. A & B B. B & C C. A & C D. A B & C...

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

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

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

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

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

   A. 120 J B. 60 J C. 30 J D. 0.02 J...

7. 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...

8. Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?

   A. 40 W B. 90W C. 100W D. 120W...

9. Three coplanar forces acting on a body keep it in equilibrium. They should therefore be_______________?

   A. Concurrent B. Non-concurrent C. Parallel D. Non-parallel...

10. A three-dimensional image is obtained by________________?

    A. Electron microscope B. Scanning electron microscope C. Magnetic imaging D. None of the above...