The magnetic field between the plates of radius 12 cm separated by a distance of 4 mm of a parallel plate capacitor of capacitance 100 pF along the axis of plates having conduction current of 0.15 A is
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a
zero
b
1.5 T
c
15 T
d
0.15 T
answer is A.
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Detailed Solution
AsB∝r, since the point is on the axis, where r = 0, so B = 0.
The magnetic field between the plates of radius 12 cm separated by a distance of 4 mm of a parallel plate capacitor of capacitance 100 pF along the axis of plates having conduction current of 0.15 A is