AB is a part of an electrical circuit (see figure). The potential difference " $V_{A} - V_{B}$ ", at the instant when current $i = 2 A$ and is increasing at a rate of $1 amp / second$ is :
NEET 2025

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AB is a part of an electrical circuit (see figure). The potential difference " V A ​ − V B ​ ", at the instant when current i = 2 A and is increasing at a rate of 1 amp / second is : NEET 2025

TestHub · Accepted Answer

​ Apply K.V.L. ​ V A ​ − dt LdI ​ − 5 − IR = V B ​ V A ​ − V B ​ = dt LdI ​ + 5 + IR = 1 × 1 + 5 + 2 × 2 = 1 + 5 + 4 = 10 V ​ ​

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