Home
Class 12
PHYSICS
Two bulbs are marked 220V - 100 W and 11...

Two bulbs are marked 220V - 100 W and 110 V- 100W. The ratio of the resistances of the two bulbs is

A

`1:4`

B

`1:2`

C

`2:1`

D

`4:1`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE (Very Short Answer Type Questions )|18 Videos

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - I)|6 Videos

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS)QUESTIONS|17 Videos

  • DIGITAL CIRCUITS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|6 Videos

  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|31 Videos

Similar Questions

Explore conceptually related problems

Two electric bulbs A and B are marked 220 V , 40W and 220 V , 60 W respectively . Which of the two has a higher resistance ? Which bulb will glow brightly if they are connected series ?

A light bulb is rated at 100 W for a 220V ac supply. Calculate the resistance of the bulb.

Two electric lamps marked 110V- 60W and 110V - 100W are connected in series and the combination is connected to 220 V mains what will be efferctive power of the lamps ? What will happen due to the above connection ?

A light bulb is rated 100 W for 220 V ac supply of 50 Hz. Calculate the resistance of the bulb ,

A 220 V -60W electric bulb is connected in 220 V line . What is the resistance of the filament of the bulb , when it is tured on ?

Find the ratio of resistances for two bulbs of 220 V-60W and 110V-60W.

Two electric bulbs A and B are marked 220V, 40W and 220V, 60W respectively. Which one has a higher resistance?

An electric bulb marked as 50 W-200 V is connected across a 100 V supply. The present power of the bulb is