The current in the following circuit is ........... $A$
AIPMT 1997, Medium
Download our app for free and get started
Resistance across the battery is
$\frac{1}{{{R_p}}} = \frac{1}{3} + \frac{1}{6} = \frac{{2 + 1}}{6} = \frac{3}{6}$
$ \Rightarrow $ ${R_p} = 2\,\Omega $
$ \Rightarrow $ $I = \frac{2}{2} = 1\,A$
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
- 1An infinite ladder network is arranged with resistances $R$ and $2 R$ as shown. The effective resistance between terminals $A$ and $B$ isView Solution
- 2A potentiometer has uniform potential gradient. The specific resistance of the material of the potentiometer wire is $10^{-7} \, ohm-meter$ and the current passing through it is $0.1\, ampere$; cross-section of the wire is $10^{-6}\, m^2$. The potential gradient along the potentiometer wire isView Solution
- 3If the ammeter in the given circuit reads $2\, A$, the resistance $R$ is ............ $ohm$View Solution
- 4$10$ wires (same length, same area, same material) are connected in parallel and each has $1$ $\Omega$ resistance, then the equivalent resistance will be .............. $\Omega$View Solution
- 5View SolutionThe potentiometer is best for measuring voltage, as
- 6The figure shows a network of resistances in which the point $A$ is earthed. The current through the $3\,\Omega$ resistor isView Solution
- 7Consider the ladder network shown in figure. What should be the value of resistance $R$, so that effective resistance between $A$ and $B$ becomes independent of number of elements in the combination is ............. $\Omega$View Solution
- 8Two cells of $emfs$ $E_1$ and $E_2$ and internal resistances $r_1$ and $r_2$ are connected in parallel. The $emf$ and internal resistance of the equivalent source isView Solution
- 9Two wires have resistance of $2$ $\Omega$ and $4$ $\Omega$ connected to same voltage, ratio of heat dissipated at resistance isView Solution
- 10In the circuit shown in figure, the power which is dissipated as heat in the $6\,\Omega$ resistor is $6\,W$. What is the value of resistance $R$ in the circuit?................... $\Omega$View Solution
