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Which of the following bulbs has more re...

Which of the following bulbs has more resistance?
(a) A 220V, 100W bulb (b) a 220 V, 60 W bulb.

Text Solution

Verified by Experts

60 W bulb
Here, `R prop 1/P` ( `:.` as both the bulbs have the same voltage rating.)
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Knowledge Check

  • The electric field intensity produced by the radiations coming from 100 W bulb at a 3 m distance is E. The electric field intensity produced by the radiations coming from 50 W bulb at the same distance is: (a) (E )/(2) (b) 2E (c) (E )/(sqrt(2)) (d) sqrt(2)E

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  • A : A 60 watt bulh has greater resistance than a 100 watt bulb. R : P = VI = I^(2) R = (V^(2))/(R)

    A
    Both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
    B
    Both Assertion and Reason are true, but Reason is not correct explanation of the Assertion.
    C
    Assertion is true, but the Reason is false.
    D
    Both Assertion and Reason are false.

  • Maximum 1 A current can pass through a bulb haVing resistance 100 Omega . What will be the power of this bulb?

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