Three identical resistors with resistance $R = 12 Ω$ and two identical inductors with self inductance L = 5 mH are connected to an ideal battery with emf of 12 V as shown in figure. The current through the battery long after the switch has been closed will be ________ A. [2023]

Question

Smart Achievers · Accepted Answer

(3)

After long time an inductor behaves as a resistance-less path. So current through cell

$I = \frac{12}{R / 3} = 3 A {∵ R = 12 Ω}$

Solution

Q.
Three identical resistors with resistance $R = 12 Ω$ and two identical inductors with self inductance L = 5 mH are connected to an ideal battery with emf of 12 V as shown in figure. The current through the battery long after the switch has been closed will be ________ A. [2023]

Ans.
(3)

After long time an inductor behaves as a resistance-less path. So current through cell

$I = \frac{12}{R / 3} = 3 A {∵ R = 12 Ω}$

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Solution

Q. Three identical resistors with resistance R=12 Ω and two identical inductors with self inductance L = 5 mH are connected to an ideal battery with emf of 12 V as shown in figure. The current through the battery long after the switch has been closed will be ________ A. [2023]

Ans. (3) After long time an inductor behaves as a resistance-less path. So current through cell I=12R/3=3 A {∵R=12 Ω}

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Q.
Three identical resistors with resistance $R = 12 Ω$ and two identical inductors with self inductance L = 5 mH are connected to an ideal battery with emf of 12 V as shown in figure. The current through the battery long after the switch has been closed will be ________ A. [2023]

Ans.
(3)

After long time an inductor behaves as a resistance-less path. So current through cell

$I = \frac{12}{R / 3} = 3 A {∵ R = 12 Ω}$