Home
Class 12
PHYSICS
The ratio of the length of three metalli...

The ratio of the length of three metallic wires of the same mass and made of the same material is `1:2:3` when these three wires are connected in parallel and an external source of emf is connected with the combination,what will be the ratio of the current strengths through the wires?

Text Solution

Verified by Experts

The correct Answer is:
`36:9:4`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER(ASSERTION REASON TYPE)|6 Videos

  • CURRENT ELECTRICITY

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER(MULTIPLE CORRECT ANSWERS TYPE)|5 Videos

  • CURRENT ELECTRICITY

    CHHAYA PUBLICATION|Exercise EXERCISE ( PROBLEM SET-II)|25 Videos

  • COMMUNICATION STSTEM

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|28 Videos

  • DIFFRACTION AND POLARISATION OF LIGHT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|27 Videos

Similar Questions

Explore conceptually related problems

Ratio of the cross sectional areas of two wires A and B made up of the same material is 1 : 4 . If the Wires are connected across the same potential difference , find the ratio of heat produced in them .

Two wires having resistances R and 2R are coneected in parallel . If current is allowed to pass through the combination , what will be ratio of power consumed in the two resistances ?

Knowledge Check

  • The ratio of the lengths of two wires made of the same metal and of equal radius is 1:2 IF both the wires are stretched by the same force, then the ratio of the strains will be

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

  • Two resistances 1Omega and 3Omega are connected in parallel and the combination is connected to a 2 volt source. The ratio of electric current through the resistances will be

    A
    `1:2`
    B
    `3:1`
    C
    `1:3`
    D
    `4:1`

  • The ratio of the length and diameters of two metallic wires A and B of the same material are 1:2 and 2 :1 respectively. IF both the wires are stretched by the same tension, then the ratio of the elongations of A and B will be

    A
    `1:2`
    B
    `4:1`
    C
    `1:8`
    D
    `1:4`

    • Similar Questions

    Explore conceptually related problems

    The ratio of the lengths of two uniform wires of the same material of equal diameter is 2 : 3 . If the fre-quency of the fundamental note emitted by the shorted wire is one octave above that of the note emitted by the longer wire, find the ratio of the ten-sions in the wires .

    Two wires having resistances R and 2R are coneected in series . If current is allowed to pass through the combination , what will be ratio of power consumed in the two resistances ?

    A uniform copper wire of resistance R is halved and the two parts are connected in parallel .IF now the equivalent resistance is R' then what is the ratio of R to R'?

    Two wires of same measurements are taken . The ratio of specific resiatance of the wires 1 : 2 . The two wires are first connected in parallel and then in series These tow combinations are alternately connected to the same supply line . What will be the ratio of powers consumed by the two wires in the two cases ?

    Two conductors are connected in parallel combination. The ratio of the currents flowing through them is 3:5. The ratio of their resistance is :

    Home
    Profile