A battery of emf E is being charged from a ch | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) When a battery of $emf$ $E$ and internal resistance $r$ is being charged,the current $I$ flows into the positive terminal of the battery.The termi

Vedclass · Accepted Answer

All of the above.

Vedclass · Answer

(D) When a battery of $emf$ $E$ and internal resistance $r$ is being charged,the current $I$ flows into the positive terminal of the battery.The terminal potential difference $V$ across the battery is given by the equation: $V = E + Ir$.Since $I > 0$ and $r > 0$,it follows that $V > E$. Thus,the potential difference across the charger terminals $A$ and $B$ must be greater than $E$.Because the positive terminal of the battery is connected to $A$ and the negative terminal to $B$,and current flows from $A$ to $B$ through the battery,$A$ must be at a higher potential than $B$.Inside the battery during charging,the current flows from the positive terminal to the negative terminal.Therefore,all the given statements are correct.

$A$ battery of $emf$ $E$ is being charged from a charger such that the positive terminal of the battery is connected to terminal $A$ of the charger and the negative terminal of the battery is connected to terminal $B$ of the charger. The internal resistance of the battery is $r$.

Similar Questions

The temperature dependence of resistances of $Cu$ and undoped $Si$ in the temperature range $300-400 \ K$,is best described by

If an electric current is passed through a nerve of a man, then the man:

One junction of a certain thermoelectric couple is at a fixed temperature $T_r$ and the other junction is at temperature $T$. The thermo-electromotive force for this is expressed by $E=k(T-T_r)[T_0-\frac{1}{2}(T+T_r)]$. At temperature $T=\frac{1}{2} T_0$, the thermoelectric power is

Vedclass Test Series

Exam Paper Generator

Online Exam Module