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Two electric bulbs whose resistances are...

Two electric bulbs whose resistances are in the ratio of `1:2` are connected inparallel to a constant voltage source. The powers dissipated in them have the ratio

A

`1:2`

B

`1:1`

C

`2:1`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
C
`P=(V^(2))/(R )`
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Knowledge Check

  • Two electric bulbs whose resistance's are in the ratio 1 : 2 are connected in parallel to a constant voltage source . The power dissipated in them have the ratio

    A
    `1 : 2`
    B
    `1 : 1`
    C
    `2 : 1`
    D
    `1 : 4`

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    A
    ` 1:3`
    B
    ` 1:1`
    C
    `3:1`
    D
    `1:9 `

  • Two electric bulbs whose resistance are in the ratio 1:2 are connected in series to a constant voltage source . The power dissipated in them are in the ratio.

    A
    `1:2`
    B
    `1:1`
    C
    `1:4`
    D
    `2:1`

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