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You Have Three Resistors of Values 2ω, 3ω and 5ω. How Will You Join Them So that the Total Resistance is More than 7ω?

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Question

You have three resistors of values 2Ω, 3Ω and 5Ω. How will you join them so that the total resistance is more than 7Ω?

1) Draw a diagram for the arrangement

2) Calculate the equivalent resistance.

 

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Solution

To get total resistance more than 7Ω. We can connect 2Ω,3Ω and 5Ω in series.

1)

2) 

`R_"equivalent"` = 2 + 3 + 5 = 10Ω

 

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2017-2018 (March) Set A

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