Two resistors of 10 and 15 n are connected. What is their combined resistance if they are connected: a) in series b) in parallel?​

Question

Two resistors of 10 and 15 n are connected. What is their combined resistance if they are connected: a) in series b) in parallel?​

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Diễm Kiều 2 weeks 2021-07-22T04:03:46+00:00 1 Answers 2 views 0

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    2021-07-22T04:05:42+00:00

    Explanation:

    Given that,

    Two resistors of 10 ohms and 15 ohms are connected.

    In series combination, the equivalent resistance is given by :

    R_s=R_1+R_2\\\\R_s=10+15\\\\R_s=25\ \Omega

    In parallel combination, the equivalent resistance is given by :

    \dfrac{1}{R_p}=\dfrac{1}{R_1}+\dfrac{1}{R_2}\\\\\dfrac{1}{R_p}=\dfrac{1}{10}+\dfrac{1}{15}\\\\R_p=6\ \Omega

    Hence, this is the required solution.

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