All resistances in figure are $1\,\Omega$ each. The value of current ' $I$ ' is $\frac{a}{5}\,A$. The value of $a$ is
JEE MAIN 2022, Diffcult
Download our app for free and get started
$R_{e q}=\frac{15 R}{8}=\frac{15}{8}\,\Omega$
$I=\frac{3}{\frac{15}{8}}=\frac{8}{5}\,A$
$\therefore a=8$
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionThrough a semiconductor, an electric current is due to drift of
- 2In the circuit shown below, the resistances are given (in $\Omega$ ) and the battery is assumed ideal with emf equal to $3.0 \,V$. The resistor that dissipates the most power isView Solution
- 3View SolutionThe internal resistance of a cell depends on
- 4Two resistances $r_1$ and $r_2\left(r_1 < r_2\right)$ are joined in parallel. The equivalent resistance $R$ is such thatView Solution
- 5In the following figure, the charge on each condenser in the steady state will be.....$\mu C$View Solution
- 6If $2.2\,kW$ power is transmitted through a $100\,\Omega $ line at $22,000\,V,$ the power loss in the form of heat will be ............. $W$View Solution
- 7Two resistances ${R_1}$ and ${R_2}$ are joined as shown in the figure to two batteries of $e.m.f.$ ${E_1}$ and ${E_2}$. If ${E_2}$ is short-circuited, the current through ${R_1}$ isView Solution
- 8A steady current $i$ is flowing through a conductor of uniform cross-section. Any segment of the conductor hasView Solution
- 9A storage battery has $e.m.f.$ $15\, volts$ and internal resistance $0.05\, ohm$. Its terminal voltage when it is delivering $10\, ampere$ is ............... $volts$View Solution
- 10For the circuit shown in the figure , the equivalent resistance between $A$ and $B$ is ............. $\Omega$View Solution
