A parallel plate capacitor with circular plates of radius 1m has a capacitance of 1nF. At time t=0, it is connected for charging in series with a resistor R = 1 M ohm across a 2V baterry. Calculate the magnetic field at a point P, halfway between the centre and the periphery of the plates, after t=10 raised to the power -3 seconds
Q.A parallel plate capacitor with circular plates of radius 1m has a capacitance of 1nF. At time t=0, it is connected for charging in series with a resistor R = 1 M ohm across a 2V baterry. Calculate the magnetic field at a point P, halfway between the centre and the periphery of the plates, after t=10 raised to the power -3 seconds

Dear Student ,
Here in this case ,
Here , C=10-19 Fx=0·5 mr=1 mR=106 ΩV =2 voltA=π m2Now distance between the two plates be ,d=ε0AC=2·8×108 mthus the plates are far away and the electric field near the first plate will be ,E=q2ε0ABy RC circuit analysis , considering the Gaussian surface shown by the cylinder of height 0·5 m,




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