ICSE Class 10 Physics 2018 Solved Paper

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

Question : 23 of 78

Marks: +1, -0

Calculate the equivalent resistance.

Solution:

\; ∵ \;\; {\R}_{ {\ s}}= {\R}_1+ {\R}_2+ {\R}_3

\; ∴ \;\; {\R}_{ {\eq}}=2+3+5

\;=10 Ω \;\text ". "\;

\;

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