In the figure shown, if the internal resistance of the battery is $1\, ohm$, the reading of the ammeter will be ............... $A$
  • A$2$
  • B$1$
  • C$3$
  • D$4$
Medium
art

Download our app
and 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

  • 1
    A copper wire has a square cross-section, $2.0\, mm$ on a side. It carries a current of $8\, A$ and the density of free electrons is $8 \times {10^{28}}\,{m^{ - 3}}$. The drift speed of electrons is equal to
    View Solution
  • 2
    A current of $3\,amp$ flows through the $2\,\Omega $ resistor shown in the circuit. The power dissipated in the $5\,\Omega $ resistor is ................. $watt$
    View Solution
  • 3
    Two students $P$ and $Q$ perform an experiment to verify Ohm's law for a conductor with resistance $R$. They use a current source and a voltmeter with least counts of $0.1 mA$ and $0.1 \,mV$, respectively. The plots of the variation of voltage drop $V$ across $R$ with current $I$ for both are shown below. The statement which is most likely to be correct?
    View Solution
  • 4
    In the adjoining circuit, the battery $E_1$ has an emf of $12\, volt$ and zero internal resistance while the battery $E_2$ has an $emf$ of $2\, volt$. If the galvanometer $G$ reads zero, then the value of the resistance $X$ (in $ohm$ ) is
    View Solution
  • 5
    Resistance across $A B$ as shown in figure is ............. $\Omega$
    View Solution
  • 6
    In the arangement of resistances shown below, the effective resistance between points $A$ and $B$ is ............... $\Omega$
    View Solution
  • 7
    In the adjoining circuit shown the potential difference between points $A$ and $B$ will be
    View Solution
  • 8
    There are two wires of the same length and of the same material and radii $r$ and $2r$ . The ratio of their specific resistance is
    View Solution
  • 9
    An electric lamp is marked $60\, W$, $ 230\, V$. The cost of $1\, kilowatt$ hour of power is Rs. $1.25$. The cost of using this lamp for $8$ hours is Rs. ................
    View Solution
  • 10
    In the following circuit, $5$ $\Omega$ resistor develops $45$ $J/s$ due to current flowing through it. The power developed per second across $12$ $\Omega$ resistor is ............. $W$
    View Solution