A 50 turns circular coil has a radius of 3 cm. It is kept in a magnetic field acting normal to the area of the coil. The magnetic field B increases from 0.10 tesla to 0.35 tesla in 2 milliseconds. The average induced e.m.f. in the coil is
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
1.77 volts
b
17.7 volts
c
177 volts
d
0.177 volts
answer is B.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
e=−NB2−B1AcosθΔt=−50(0.35−0.10)×π3×10−22×cos0∘2×10−3=17.7 V
A 50 turns circular coil has a radius of 3 cm. It is kept in a magnetic field acting normal to the area of the coil. The magnetic field B increases from 0.10 tesla to 0.35 tesla in 2 milliseconds. The average induced e.m.f. in the coil is