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A wire of length 12 cm ,resistance 12Ome...

A wire of length 12 cm ,resistance `12Omega` and of uniform area of cross section is cut into twelve equla parts ,which are connected to form a sketeton cube . A cell of efm 2V is connected across the two diagonally opposite corners of the cube . Using both the Korchhoff's laws answer the follwing questions .
The effective resistance of the circuit is

A

`(4)/(5)Omega`

B

`(5)/(6)Omega`

C

`(6)/(7)Omega`

D

`(7)/(12)Omega`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A wire of length 12 cm ,resistance 12Omega and of uniform area of cross section is cut into twelve equla parts ,which are connected to form a sketeton cube . A cell of efm 2V is connected across the two diagonally opposite corners of the cube . Using both the Korchhoff's laws answer the follwing questions . The current draw from the battery is

    A
    `2.5A`
    B
    `2.4A`
    C
    `2.3A`
    D
    `3.4A`

  • A wire of length 12 cm ,resistance 12Omega and of uniform area of cross section is cut into twelve equla parts ,which are connected to form a sketeton cube . A cell of efm 2V is connected across the two diagonally opposite corners of the cube . Using both the Korchhoff's laws answer the follwing questions . The minimum potential difference across an arm of network is

    A
    `0.4V`
    B
    `0.8V`
    C
    `1.2V`
    D
    `2.4V`

  • A wire of length 12 cm ,resistance 12Omega and of uniform area of cross section is cut into twelve equla parts ,which are connected to form a sketeton cube . A cell of efm 2V is connected across the two diagonally opposite corners of the cube . Using both the Korchhoff's laws answer the follwing questions . The maximum current flowing inan aarm of network is

    A
    `0.4A`
    B
    `0.8A`
    C
    `1.2A`
    D
    `2.4A`

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