Question Number 40975 by rahul 19 last updated on 30/Jul/18
Answered by ajfour last updated on 30/Jul/18
$$\left({b}\right)\:\mathrm{10}{A}/{s} \\ $$
Commented by rahul 19 last updated on 31/Jul/18
$$\mathrm{Yes}\:\mathrm{sir}, \\ $$
Answered by tanmay.chaudhury50@gmail.com last updated on 30/Jul/18
$${whent}=\mathrm{0}\:{L}\:{offer}\:{infinite}\:{resistance}\:{so}\:{no}\:{current} \\ $$$${through}\:{L}…{hence}\:\left(\mathrm{5}+\mathrm{1}=\mathrm{6}\:{ohm}\right),\mathrm{6}{ohm}\:{and} \\ $$$$\left(\mathrm{2}+\mathrm{4}=\mathrm{6}{ohm}\:{in}\:{parallel}\:{connection}\right. \\ $$$$\frac{\mathrm{1}}{{R}}=\frac{\mathrm{1}}{\mathrm{6}}+\frac{\mathrm{1}}{\mathrm{6}}+\frac{\mathrm{1}}{\mathrm{6}}=\frac{\mathrm{3}}{\mathrm{6}}\:\:\:\:{R}=\mathrm{2}{ohm} \\ $$$${curednt}=\frac{\mathrm{6}}{\mathrm{2}}=\mathrm{3}{A} \\ $$$${through}\:{AB}\rightarrow{BD}\:\:\:\mathrm{1}{A}\:{current} \\ $$$${thtough}\:{A}\rightarrow{D}\:\:\:\mathrm{1}{A}\:\:{current} \\ $$$${throughA}\rightarrow{C}\rightarrow{D}\:\:\mathrm{1}{A}\:{current}…{V}_{{A}} −{V}_{{B}} =\mathrm{1}×\mathrm{1} \\ $$$$\mathrm{6}−{V}_{{B}} =\mathrm{1}\:\:\:{so}\:{V}_{{B}} =\mathrm{5}{V} \\ $$$${V}_{{A}} −{V}_{{c}} =\mathrm{2}×\mathrm{1}=\mathrm{2}\:{V} \\ $$$$\mathrm{6}−{V}_{{c}} =\mathrm{2}\:\:\:{V}_{{c}} =\mathrm{4}{V} \\ $$$${V}_{{B}} =\mathrm{5}{V}\:\:\:\:\:{V}_{{c}} .=\mathrm{4}{V} \\ $$$${V}_{{B}} −{V}_{{c}} ={L}\frac{{di}}{{dt}} \\ $$$$\frac{{di}}{{dt}}=\frac{{V}_{{B}} −{V}_{{c}} }{{L}}=\frac{\mathrm{5}−\mathrm{4}}{{O}.\mathrm{1}{H}}=\frac{}{\frac{\mathrm{1}}{\mathrm{10}}}=\mathrm{10} \\ $$$$\:\:\:\frac{{di}}{{dt}}=\frac{\left.\mathrm{10}\:{A}\right]/{second}…}{} \\ $$$$ \\ $$$$ \\ $$
Commented by rahul 19 last updated on 31/Jul/18
thank you sir