A cell of emf 4 V and internal resistance 0.5 Ω is connected to a 7.5 Ω external resistance. The terminal potential difference of the cell is :-

Question

A cell of emf 4 V and internal resistance 0.5 Ω is connected to a 7.5 Ω external resistance. The terminal potential difference of the cell is :- (A) 3.75 V (B) 4.25 V (C) 4 V (D) 0.375 V

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/physics/5066e19b3d1bfd96b9d7e29edf28cfdb-.png" /> TPD =4-0.5 × 0.5 =4-0.25 TPD =3.75 volt

Q. A cell of emf $4 V$ and internal resistance $0.5 Ω$ is connected to a $7.5 Ω$ external resistance. The terminal potential difference of the cell is :-

$3.75 V$

$4.25 V$

$4 V$

$0.375 V$

$TP D = 4 - 0.5 \times 0.5$
$= 4 - 0.25$
$TP D = 3.75$ volt

Q. A cell of emf 4V and internal resistance 0.5Ω is connected to a 7.5Ω external resistance. The terminal potential difference of the cell is :-

3.75V

4.25V

4V

0.375V