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Test Index
JEE Main Physics Class 12 Magnetism and Matter Questions
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© examsnet.com
Question : 22
Total: 80
The vertical component of the earth's magnetic field is
6
×
10
−
5
T
at any place where the angle of dip is
37
∘
. The earth's resultant magnetic field at that place will be (Given
tan
37
∘
=
3
4
)
[29-Jul-2022-Shift-2]
8
×
10
−
5
T
6
×
10
−
5
T
5
×
10
−
4
T
1
×
10
−
4
T
Validate
Solution:
∴
s
i
n
37
∘
=
B
v
B
n
e
t
⇒
B
v
=
B
n
e
t
s
i
n
37
∘
⇒
B
n
e
t
=
B
v
s
i
n
37
∘
=
6
×
10
−
5
3
5
=
10
×
10
−
5
T
=
1
×
10
−
4
T
© examsnet.com
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