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प्रश्न
The charging current for a capacitor is 0.25 A. What is the displacement current across its plates?
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उत्तर
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संबंधित प्रश्न
A parallel plate capacitor (Figure) made of circular plates each of radius R = 6.0 cm has a capacitance C = 100 pF. The capacitor is connected to a 230 V ac supply with a (angular) frequency of 300 rad s−1.
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A long straight cable of length `l` is placed symmetrically along z-axis and has radius a(<< l). The cable consists of a thin wire and a co-axial conducting tube. An alternating current I(t) = I0 sin (2πνt) flows down the central thin wire and returns along the co-axial conducting tube. The induced electric field at a distance s from the wire inside the cable is E(s,t) = µ0I0ν cos (2πνt) In `(s/a)hatk`.
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[take ε0 = 8.85 × 10-12 F/m]
Draw a neat labelled diagram of displacement current in the space between the plates of the capacitor.
