The current from the battery in circuit diagram shown is .............. $A$
IIT 1989, 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
- 1The percentage error in the reading of the voltmeter in the figure shown here is nearly ............ $\%$View Solution
- 2In the network of resistors shown in the adjoining figure, the equivalent resistance between $A$ and $B$ is ............ $ohm$View Solution
- 3The lowest resistance which can be obtained by connecting $10$ resistors each of $1/10$ $ohm$ isView Solution
- 4A source of $e.m.f.$ $E = 15\,V$ and having negligible internal resistance is connected to a variable resistance so that the current in the circuit increases with time as $i = 1.2 t + 3$. Then, the total charge that will flow in first five second will be ............... $C$View Solution
- 5In the given figure, battery $E $ is balanced on $55\, cm$ length of potentiometer wire but when a resistance of $10 \,\Omega$ is connected in parallel with the battery then it balances on $50\, cm$ length of the potentiometer wire then internal resistance $r$ of the battery is ............. $\Omega $View Solution
- 6In 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
- 7Two cells, $e.m.f.$ of each is $E$ and internal resistance $r$ are connected in parallel between the resistance $R$. The maximum energy given to the resistor will be, only whenView Solution
- 8With the help of potentiometer, we can determine the value of emf of a given cell. The sensitivity of the potentiometer isView Solution
$(A)$ directly proportional to the length of the potentiometer wire
$(B)$ directly proportional to the potential gradient of the wire
$(C)$ inversely proportional to the potential gradient of the wire
$(D)$ inversely proportional to the length of the potentiometer wire
Choose the correct option for the above statements:
- 9A galvanometer together with an unknown resistance in series is connected to two identical batteries each of $1.5\, V$. When the batteries are connected in series, the galvanometer records a current of $1\,A$, and when batteries are in parallel the current is $0.6\,A$. What is the internal resistance of the battery ?View Solution
- 10The measurement of ammeter in the following circuit is ................... $A$ (Assuming ideal ammeter)View Solution
