A parallel plate capacitor of area 60 cm2 and seperation 3 mm is charged initially to 90C. If the medium b/w the plate get slightly conducting at the plate loses the charge initially at the rate of 2.5 x 10-8 C/s, then what is the magnetic field b/w the plate?
Ans in book is : zero
Please explain briefly
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When you calculate the displacement current and current due to the charges they come equal in a magnitude and opposite in direction
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“Magnetic field between plates is zero”.
Solution:
The given parallel plate capacitor of area are kept separated from each other and has a medium between them which starts to lose charge at the plate then magnetic field between plates is zero as the plate starts to conduct charge.
The plates starts to conduct the charge through at the specified rate. According to the Fleming rule of magnetic field, we can easily render that magnetic field will then be directed outside of the plates and hence the magnetic field between plates is zero.
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