A magnet of total magnetic moment 
A-
(cos
t) where b =1 Tesla and 
rad/s. The work done for reversing the direction o
(a)
0.007 J
(b)
0.014 J
(c)
0.01 J
(d)
0.028 J
A- (cos t) where b =1 Tesla and rad/s. The work done for reversing the direction o(a)
0.007 J
(b)
0.014 J
(c)
0.01 J
(d)
0.028 J
f the magnetic moment at t = 1 second, is
Question ID - 50225 | SaraNextGen Top Answer A magnet of total magnetic moment A- (cos t) where b =1 Tesla and rad/s. The work done for reversing the direction o
(a)
0.007 J
(b)
0.014 J
(c)
0.01 J
(d)
0.028 J
f the magnetic moment at t = 1 second, is
A magnet of total magnetic moment A- (cos t) where b =1 Tesla and rad/s. The work done for reversing the direction o
|
(a) |
0.007 J |
(b) |
0.014 J |
|
(c) |
0.01 J |
(d) |
0.028 J |
f the magnetic moment at t = 1 second, is
1 Answer
127 votes
Answer Key / Explanation : (b) -
Work done, W= (
).
=2×
1 cos(0.125)
=0.02 J
correct answer is (b)
127 votes
Answer Link
127