In charging a battery of motor-car, the following effect of electric current is used
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$n$ equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistanceView Solution
- 2A current of $2\,A$ flows in a system of conductors as shown. The potential difference $({V_A} - {V_B})$ will be ............ $V$View Solution
- 3When $5\ V$ potential difference is applied across a wire of length $0.1\ m$, the drift speed of electrons is $2.5 \times 10^{-4}$ $ms^{-1}$ . If the electron density in the wire is $8 \times 10^{28}$ $m^{-3}$ the resistivity of the material is close toView Solution
- 4A meter bridge setup is shown in the figure. It is used to determine an unknown resistance $R$ using a given resistor of $15\,\Omega$. The galvanometer $(G)$ shows null deflection when tapping key is at $43\,cm$ mark from end $A$. If the end correction for end $A$ is $2\,cm$. then the determined value of $R$ will be__________ $\Omega$View Solution
- 5View SolutionTwo resistors having equal resistances are joined in series and a current is passed through the combination. Neglect any variation in resistance as the temperature changes. In a given time interval
- 6Which of the following graphs represent the variation of power loss in the external load with external resistance $R$?View Solution
- 7A galvanometer $(G)$ $\Omega$ of 2 risistance is connected in the givn circuit the raito of charge in $C_1$ and $C_2$ is:View Solution
- 8A steady current $I$ is set up in a wire whose cross-sectional area decreases in the direction of the flow of the current. Then, as we examine the narrowing region,View Solution
- 9The given figure represents an arrangement of potentiometer for the calculation of internal resistance $(r)$ of the unknown battery $(E)$. The balance length is $70.0\, cm$ with the key opened and $60.0\,cm$ with the key closed. $R$ is $132.40 \Omega $. The internal resistance $(r)$ of the unknown cell will be.......$\Omega$ (Given $E_o > E$) :-View Solution
- 10Two identical cells, when connected either in parallel or in series gives same current in an external resistance $5\,\Omega$. The internal resistance of each cell will be $.............\,\Omega$.View Solution