1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard X
Physics
Torque
A current car...
Question
A current carrying square loop is placed near an infinitely long current carrying wire as shown in figure. The torque acting on the loop is
Open in App
Solution
Magnetic field due to current carrying infinite long wire is shown in figure.
Magnetic moment of square loop
→
μ
=
i
2
a
2
(
−
^
k
)
Torque acting on the square loop
→
τ
=
→
μ
×
→
B
⇒
→
τ
=
i
a
2
(
−
^
k
)
×
μ
0
i
2
π
a
(
−
^
k
)
=
0
Hence, option (d) is the correct answer.
Suggest Corrections
0
Similar questions
Q.
A long straight wire is carrying a current of
25
A
. A square loop of side length
10
c
m
carrying a current of
15
A
, is placed
2
c
m
from the wire as shown in figure. The force on the loop is
Q.
A square loop PQRS carrying a current of 6.0 A is placed near a long wire carrying 10 A as shown in figure. (a) Show that the magnetic force acting on the part PQ is equal and opposite to the part RS. (b) Find the magnetic force on the square loop.