if the internal resistance of the battery is $1\, ohm$, then what is the reading of ammeter
  • A$5/3\, A$
  • B$40/29\, A$
  • C$10/9\, A$
  • D$1\, A$
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
    To verify Ohm's law, a student connects the voltmeter across the battery as, shown in the figure. The measured voltage is plotted as a function of the current, and the following graph is obtained If $V_0$ is almost zero, identify the correct statement
    View Solution
  • 2
    In the circuit shown in the figure, the current flowing in $2\,\Omega $ resistance ............... $A$
    View Solution
  • 3
    An electric toaster has resistance of $60\  \Omega$ at room temperature $\left(27^{\circ} \mathrm{C}\right)$. The toaster is connected to a $220 \mathrm{~V}$ supply. If the current flowing through it reaches $2.75 \mathrm{~A}$, the temperature attained by toaster is around : (if $\alpha=2 \times 10^{-4} /{ }^{\circ} \mathrm{C}$ )
    View Solution
  • 4
    The number density of free electrons in copper is nearly $8 \times 10^{28}\,m ^{-3} . A$ copper wire has its area of cross section $=2 \times 10^{-6}\,m ^2$ and is carrying a current of $3.2\,A$. The drift speed of the electrons is $.....\times 10^{-6}\,ms ^{-1}$.
    View Solution
  • 5
    In the circuit shown, the cell is ideal, with $emf$ $=$ $15$ $V$. Each resistance is of $3 $ $\Omega$ . The potential difference across the capacitor is.....$V$
    View Solution
  • 6
    Resistance of $100\, cm$ long potentiometer wire is $10 \,\Omega$, it is connected to a battery ($2\, volt$) and a resistance $R$ in series. A source of $10\, mV$ gives null point at $40\, cm$ length, then external resistance $R$ is ........... $\Omega $
    View Solution
  • 7
    Find potential difference across $24\,\Omega $ ............. $\mathrm{volt}$
    View Solution
  • 8
    The figure below shows currents in a part of electric circuit. The current $i$ is ............. $amp$
    View Solution
  • 9
    A $25\, W$, $ 220\, V$ bulb and a $100\, W$, $220\, V$ bulb are connected in parallel across a $440\, V$ line
    View Solution
  • 10
    A torch bulb rated as $4.5\, W$, $1.5\, V$ is connected as shown in the figure. The $e.m.f.$ of the cell needed to make the bulb glow at full intensity is ................ $V$
    View Solution