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Which arrangement of 3Omega resistors wi...

Which arrangement of `3Omega` resistors will give a total resistance of `7Omega`?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
Three resistors of `3Omega` each in parallel will give
`((1)/((1)/(3)+(1)/(3)+(1)/(3)))=1Omega`
`R_("eq")=3+1+3=7Omega`
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Knowledge Check

  • In which of the follwing arrangements of resistors does the meter M , which has a resistance of 2 Omega , give the largest reading when the same potential difference is appliced between points P and Q ?

    A
    B
    C
    D

  • The network shown in figure is an arrangement of nine identical resistors. The resistance of the network between points A and B is 1.5 Omega . The resistance r is

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    D
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