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Two resistors of resistance, 100 Omega a...

Two resistors of resistance, `100 Omega` and `200 Omega` are connected in parallel in an electrical circuit. The ratio of the thermal energy developed in `100 Omega` to that in `200 Omega` in a given time is

A

`4:1`

B

`1:2`

C

`2:1`

D

`1:4`

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  • If three bulbs 60 W , 100 W and 200 W are connected in parallel, then

    A
    200 W bulb will glow more
    B
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    A
    `(8)/(7) Omega`
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    D
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  • If three resistors of resistance 2Omega, 4Omega and 5 Omega are connected in parallel then the total resistance of the combination will be

    A
    `(20)/(19)Omega`
    B
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    C
    `(19)/(10)Omega`
    D
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