Referring to the figure below, the effective resistance of the network is
Easy
Download our app for free and get started
(d) $R_{effective} =r + \frac{{3r}}{2} = \frac{{5r}}{2}$
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 SolutionA steady current flows in a metallic conductor of non-uniform cross-section. The quantity/quantities constant along the length of the conductor is/are
- 2In a meter bridge, the wire of length $1\, m$ has a nonuniform cross-section such that, the variation $\frac{{dR}}{{d\ell }}$ of its resistance $R$ with length $\ell $ is $\frac{{dR}}{{d\ell }} \propto \frac{1}{{\sqrt \ell }}$ Two equal resistances are connected as shown in the figure. The galvanometer has zero deflection when the jockey is at point $P$. What is the length $AP$ ? ................ $m$View Solution
- 3Calculate the amount of charge flowing in $2$ minutes in a wire of resistance $10$ $\Omega$ when a potential difference of $20\,V$ is applied between its ends ............ $C$View Solution
- 4This question has Statement $1$ and Statement $2.$ Of the four choices given after the Statements, choose the one that best describes the two Statements.View Solution
Statement $1 :$ The possibility of an electric bulb fusing is higher at the time of switching $ON.$
Statement $2:$ Resistance of an electric bulb when it is not lit up is much smaller than when it is lit up.
- 5For the circuit shown in the figure , the equivalent resistance between $A$ and $B$ is ............. $\Omega$View Solution
- 6A capacitor is connected to a cell of $emf$ $E$ having some internal resistance $r$. The potential difference across theView Solution
- 7Six equal resistances are connected between points $P, Q$ and $R$ as shown in figure. Then net resistance will be maximum betweenView Solution
- 8View SolutionAcross a metallic conductor of non-uniform cross section a constant potential difference is applied. The quantity which remains constant along the conductor is
- 9The internal resistances of two cells shown are $0.1\,\Omega $ and $0.3\,\Omega $. If $R = 0.2\,\Omega $, the potential difference across the cellView Solution
- 10A wire of resistor $R$ is bent into a circular ring of radius $r$. Equivalent resistance between two points $X$ and $Y$ on its circumference, when angle $XOY$ is $\alpha$, can be given byView Solution
