Two batteries of different emfs and different internal resistances are connected as shown. The voltage across $A B$ in volts is
IIT 2011, Diffcult
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
- 1If voltage across a bulb rated $220$ $volt-$ $100$ $watt$ drops by $2.5\%$ of its rated value, the percentage of the rated value by which the power would decrease is ............... $\%$View Solution
- 2A student was trying to construct the circuit shown in the figure below marked $(a)$, but ended up constructing the circuit marked $(b)$. Realising her mistake, she corrected the circuit, but to her surprise, the output voltage (across $R$ ) did not change. The value of resistance $R$ is ............ $\Omega$View Solution
- 3Find the charge in steady state of the capacitor. (in $nC)$View Solution
- 4View SolutionWhich of the following will NOT be observed when a multimeter (operating in resistance measuring mode) probes connected across a component, are just reversed?
- 5A railway compartment is lit up by thirteen lamps each taking $2.1\, amp$ at $15\, volts$. The heat generated per second in each lamp will be ............ $cal$View Solution
- 6View SolutionPotential gradient is defined as
- 7The current $I_{1}$ (in $A$) flowing through $1\; \Omega$ resistor in the following circuit is:View Solution
- 8Assertion : The current density $\vec J$ at any point in ohmic resistor is in direction of electric field $\vec E$ at that point.View Solution
Reason : A point charge when released from rest in a region having only electrostatic field always moves along electric lines of force.
- 9Two identical cells each of emf $1.5\,V$ are connected in series across a $10\,\Omega$ resistance. An ideal voltmeter connected across $10\,\Omega$ resistance reads $1.5\,V$. The internal resistance of each cell is $......\Omega$.View Solution
- 10Net resistance between $X$ and $Y$ is ............... $\Omega$View Solution
