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A combination consists of three resistor...

A combination consists of three resistors in series. Four similar sets are connected in parallel. If the resistance of each resistor is `2 Omega`, find the resistance of this combination.

Text Solution

Verified by Experts

The correct Answer is:
`1.5 Omega`
Resistance of a combination of `3` resistors (each of resistors `2 Omega`) in series `= 6 Omega`
Resistance of parallel of `4` sets of such combinations in parallel `= (6 Omega)/(4) = 1.5 Omega`.
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Knowledge Check

  • Three resistors of 1 Omega, 2 Omega and 3 Omega are connected in parallel. The combined resistance of 3 resistors should be

    A
    greater than `3 Omega`
    B
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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

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  • If two resistors of 25 Omega and 15 Omega are joined together in series and then placed in parallel with a 40 Omega resistor, the effective resistance of the combination is:

    A
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    B
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