CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

n identical cells each emf (E) and internal resistance (r) are joined in series so as to form a closed circuit. The potential difference across any one cell is :

A
zero
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
ε
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
ε/n
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
n1nε
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C zero
Let the current in the circuit be i,

Eir+Eir+Eir+Eir..............ntimes=0

n(Eir)=0

i=Er

Now consider a cell with emf,E and internal resistance r,

VA+Eir=VB

VAVB=ΔV=Eir=0

Option A is the correct answer.

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Combination of Resistors_Tackle
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon