Potential difference across the terminals of the battery shown in figure is .................... $V$ ($r =$ internal resistance of battery)
Medium
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 SolutionThe resistance of a conductor increases with
- 2If each resistance in the figure is of $9\,\Omega$ then reading of ammeter is ............ $A$View Solution
- 3When two resistance are connected in parallel then the equivalent resistance is $\frac {6}{5}\Omega $ . When one of the resistance is removed then the effective resistance is $2\, \Omega $. The resistance of the wire removed will be ................ $\Omega$View Solution
- 4The temperature dependence of resistances of $Cu$ and undoped $Si$ in the temperature range $300-400\ K$, is best described byView Solution
- 5In the meter bridge shown, the resistance $X$ has a negative temperature coefficient of resistance. Neglecting the variation in other resistors, when current is passed for some time, in the cirucit, balance point should shift towards.View Solution
- 6Under what condition current passing through the resistance $R$ can be increased by short circuiting the battery of emf $E_2$. The internal resistances of the two batteries are $r_1$ and $r_2$ respectively.View Solution
- 7In the given figure, a battery of emf $E$ is connnected across a conductor $P Q$ of length $'Y'$ and different area of cross-sections having radii $r_{1}$ and $r_{2}\left(r_{2}\,<\,r_{1}\right)$.View Solution
Choose the correct option as one moves from $P$ to $Q$ :
- 8View SolutionElectric power is transmitted over long distances through conducting wires at high voltage because
- 9There are $8$ equal resistances $R$. Two are connected in parallel, such four groups are connected in series, the total resistance of the system will beView Solution
- 10View SolutionIf the length of potentiometer wire is increased, then the length of the previously obtained balance point will