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Tardigrade
Question
Physics
The area of hysteresis loop of a material is equivalent to 250 J / m 3. When 10 kg material is magnestized by an alternating field of 50 Hz, then energy lost in one hour will be β joule. Find (β/1000). (Density of material is 7.5 g / cm 3 )
Q. The area of hysteresis loop of a material is equivalent to
250
J
/
m
3
. When
10
k
g
material is magnestized by an alternating field of
50
Hz
, then energy lost in one hour will be
β
joule. Find
1000
β
. (Density of material is
7.5
g
/
c
m
3
)
1857
218
Magnetism and Matter
Report Error
Answer:
60
Solution:
Energy lost in
1
hour
=
Area
×
Volume
×
Time
×
Frequency
=
7500
250
×
10
×
3600
×
50
=
6
×
1
0
4
J