Home
Class 10
PHYSICS
Which has more resistance : 100 W bulb o...

Which has more resistance : 100 W bulb or 60 W bulb ?

Text Solution

Verified by Experts

As `P = V^2//R, P prop 1//R or R prop 1//P`. Thus, the resistance of `60 W` bulb is more than that of `100 W` bulb.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTRICITY

    PRADEEP|Exercise (Additional)Short Answer|36 Videos

  • ELECTRICITY

    PRADEEP|Exercise (Additional)Long Answer|4 Videos

  • ELECTRICITY

    PRADEEP|Exercise (Exemplar)Long Answer|6 Videos

  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    PRADEEP|Exercise Mock Test|21 Videos

Similar Questions

Explore conceptually related problems

Which one is having more resistance,100 W bulb or a 50 W bulb?

Which one has more resistance 100 watt bulb or 60 watt bulb both operating at 220 V?

Knowledge Check

  • Which one has a higher electrical resistance: a 100 watt bulb or a 60 watt bulb?

    A
    60 watt
    B
    100 watt
    C
    Same for both
    D
    None of these

  • Assertion : The 200 W bulbs glows with more brightness then 100 W bulbs. Reason : A 100 W bulb has more resistance than a 200 W bulb.

    A
    If both assertion and reason are ture and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If assertion and reason both are false.

  • In India electricity is supplied for domestic use at 220 V . It is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in India is R , the resistance of a 60 W bulb for use in USA will be

    A
    `R`
    B
    `2 R`
    C
    `(R )/(4)`
    D
    `(R )/(2)`

    • Similar Questions

    Explore conceptually related problems

    Find the resistance of 60 W, 240 V bulb.

    Find the resistance of 80 W, 240 V bulb.

    Assertion: The 200 W bulb glows with more brightness than 100W bulbs. Reason: A 100W bulb has more resistance than a 200W bulb.

    Which of the two has greater resistance : a 1kW heater or a 100W tungsten bulb, bath marked for 230V?

    In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in india is R, the resistance of a 60 W bulb for use in USA will be

    Home
    Profile