Last Updated On 16-03-2023 - By Jeesha Sara
A conducting circular loop made of a thill wire, has area 3.5
10−3 m2 and resistance 10Ω. It is placed perpendicular to a time dependent magnetic field B(1) = (0.4T)sin(50
t). The field is uniform in space. Then the net charge flowing through the loop during t = 0 s and t = 10 ms is close to:
|
a. |
14mC |
b. |
21mC |
|
c. |
6mC |
d. |
7mC |
Question ID - 50046 :- A conducting circular loop made of a thill wire, has area 3.5 10−3 m2 and resistance 10Ω. It is placed perpendicular to a time dependent magnetic field B(1) = (0.4T)sin(50 t). The field is uniform in space. Then the net charge flowing through the loop during t = 0 s and t = 10 ms is close to:
a.
14mC
b.
21mC
c.
6mC
d.
7mC
A conducting circular loop made of a thill wire, has area 3.5 10−3 m2 and resistance 10Ω. It is placed perpendicular to a time dependent magnetic field B(1) = (0.4T)sin(50 t). The field is uniform in space. Then the net charge flowing through the loop during t = 0 s and t = 10 ms is close to:
|
a. |
14mC |
b. |
21mC |
|
c. |
6mC |
d. |
7mC |
=
A(Bf−Bf)=
3.5
10−3
(3.5
10−3)(0.4−0)
10−4 = 0.14mCNext Question :
Two masses m and 
are connected at the two ends of a massless rigid rod of length ll. The rod is suspended by a thin wire of torsional constant k at the centre of mass of the rod-mass system (sec figure). Because of torsional constant k, the restoring torque is 
=k
for angular displacement 0. If the rod is rotated by 
0 and released, the tension in it when it passes through its mean position will be:
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a. |
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b. |
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c. |
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d. |
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View Topper Answer
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