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

The number of turns in the coil of an ac­ generator is 5000 and the area of the coil is
0.25m2. The coil is rotated at the rate of 100 cycles/sec in a magnetic field of 0.2 W/m2. The peak value of the emf generated is nearly

A
786 kV
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
440 kV
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
220 kV
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
157.1 kV
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 157.1 kV

e0=wNBA=(2π v) NBA
=2× 3.14× 100× 5000× 0.2× 0.25=157 kV.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Electric Generator
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon