A storage battery is connected to a charger for charging with a voltage of $12.5\,\,Volts$. The internal resistance of the storage battery is $1\,\,\Omega$ . When the charging current is $0.5\,\,A$, the emf of the storage battery is: ............... $volts$
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
- 1There are two wires of the same length and of the same material and radii $r$ and $2r$ . The ratio of their specific resistance isView Solution
- 2In the circuit shown in the adjoining figure, the current between $B$ and $D$ is zero, the unknown resistance is of ................ $\Omega$View Solution
- 3A $1\,m$ long copper wire carries a current of $1\,A$. If the cross section of the wire is $2.0\,mm ^{2}$ and the resistivity of copper is $1.7 \times 10^{-8}\,\Omega\,m$. the force experienced by moving electron in the wire is $\times 10^{-23}\,N$. (charge on electron $=1.6 \times 10^{-19}\,C$ )View Solution
- 4The figure below shows currents in a part of electric circuit. The current $i$ is ............. $amp$View Solution
- 5A $3\,^oC$ rise in temperature is observed in a conductor by passing a certain current. When the current is doubled, the rise in temperature will be ............. $^oC$View Solution
- 6A battery of $e.m.f.$ $E$ and internal resistance $r$ is connected to a variable resistor $R$ as shown here. Which one of the following is trueView Solution
- 7In the circuit shown, the reading of ammeter when switch $S$ is open and when switch $S$ is closed respectively areView Solution
- 8In the given circuit, the equivalent resistance between the terminal $A$ and $B$ is $........\Omega$.View Solution
- 9In the given figure, the charge stored in $6 \ \mu \mathrm{F}$ capacitor, when points $A$ and $B$ are joined by a connecting wire is___________ $\mu \mathrm{C}$.View Solution
- 10A resistance wire connected in the left gap of a meter bridge balances a $10\, \Omega$ resistance in the right gap at a point which divides the bridge wire in the ratio $3: 2 .$ If the length of the resistance wire is $1.5 m ,$ then the length of $1\, \Omega$ of the resistance wire is $....... \times 10^{-2}\;m$View Solution