CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A storage battery is connected to a charger for charging with a voltage of 12.5 Volts. The internal resistance of the storage battery is 1Ω. When the charging current is 0.5 A, the emf of the storage battery is

A
13 Volts
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
12.5 Volts
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
12 Volts
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
11.5 Volts
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 12 Volts
Resistance of the charger,
R=VI
R=12.50.5=25Ω
Now,
E=IR=VR+r(R)
E=12.525+1(25)=(0.48)(25)=12V

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Kirchhoff's Junction Law
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon