A cell of emf $6\, V$ and resistance $0.5\, ohm$ is short circuited. The current in the cell is ............... $amp$
Easy
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
- 1$A$. The drift velocity of electrons decreases with the increase in the temperature of conductor.View Solution
$B$. The drift velocity is inversely proportional to the area of cross-section of given conductor.
$C$. The drift velocity does not depend on the applied potential difference to the conductor.
$D$. The drift velocity of electron is inversely proportional to the length of the conductor.
$E$. The drift velocity increases with the increase in the temperature of conductor.
Choose the correct answer from the options given below:
- 2The balancing length for a cell is $560 \;\mathrm{cm}$ in a potentiometer experiment. When an external resistance of $10 \;\Omega$ is connected in parallel to the cell, the balancing length changes by $60\; \mathrm{cm} .$ If the internal resistance of the cell is $\frac{\mathrm{N}}{10} \;\Omega,$ where $\mathrm{N}$ is an integer then value of $\mathrm{N}$ isView Solution
- 3The series combination of two batteries, both of the same emf $10 \mathrm{\;V},$ but different internal resistance of $20\; \Omega$ and $5\; \Omega,$ is connected to the parallel combination of two resistors $30\; \Omega$ and $\mathrm{R}\; \Omega .$ The voltage difference across the battery of internal resistance $20\; \Omega$ is zero, the value of $\mathrm{R}(\text { in } \Omega)$ isView Solution
- 4In $n_e$ and $v_d$ be the number of electrons and drift velocity in a semiconductor. When the temperature is increasedView Solution
- 5Seven resistances are connected as shown in the figure. The equivalent resistance between $A$ and $B$ is ............... $\Omega$View Solution
- 6Four equal capacitors are connected to a battery as shown in the adjoining figure. The potential of $A$ and $B$ areView Solution
- 7A charged particle having drift velocity of $7.5 \times 10^{-4}\, ms ^{-1}$ is an electric field of $3 \times 10^{-10}\, Vm ^{-1}$ has a mobility in $m ^{2} V ^{-1} s ^{-1}$ ofView Solution
- 8The resistance of a wire is $R$. It is bent at the middle by $180^{\circ}$ and both the ends are twisted together to make a shorter wire. The resistance of the new wire isView Solution
- 9A student measures the terminal potential difference $(V)$ of a cell $($ of $emf \;\varepsilon $ and internal resistance $r)$ as a function of the current $(I)$ flowing through it. The slope, and intercept, of the graph between $V$ and $I$, then, respectively, equalView Solution
- 10For the shown circuit, find the effective resistance between the points $A$ and $B$.View Solution
