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  • In the circuit shown, S is joined to Y for a long time, and then X is joined to Z. The total heat produced in &nbs

In the circuit shown, S is joined to Y for a long time, and then X is joined to Z. The total heat produced in R_{2} is

Option: 1

\mathrm{\frac{L \varepsilon^2}{2 R_1^2}}


Option: 2

\mathrm{\frac{L \varepsilon^2}{2 R_2^2}}


Option: 3

\mathrm{\frac{L \varepsilon^2}{2 R_1^2 R_2^2}}


Option: 4

\mathrm{\frac{L \varepsilon^2 R_2}{2 R_1^3}}


Answers (1)

best_answer

Steady–state current in \mathrm{L}=\mathrm{i}_0=\frac{\varepsilon}{\mathrm{R}_1}

Energy stored in \mathrm{L}=\frac{1}{2} \mathrm{Li}_0^2=\frac{1}{2} \mathrm{~L}\left(\frac{\varepsilon^2}{\mathrm{R}_1^2}\right)

= heat produced in{\mathrm{R}_2} during discharge.

Posted by

Gautam harsolia

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