Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Physics
Two coaxial coils are very close to each other and their mutual inductance is 5 mH. If a current 50 sin 500 t is passed in one of the coils then the peak value of induced e.m.f. in the secondary coil will be
Q. Two coaxial coils are very close to each other and their mutual inductance is
5
m
H
. If a current
50
sin
500
t
is passed in one of the coils then the peak value of induced e.m.f. in the secondary coil will be
2080
248
Electromagnetic Induction
Report Error
A
5000 V
6%
B
500 V
37%
C
150 V
31%
D
125 V
27%
Solution:
ϕ
=
M
i
d
t
d
ϕ
=
d
t
M
d
i
ε
=
5
×
1
0
−
3
(
50
)
(
500
)
cos
ω
t
ε
m
a
x
=
125
V