τ = (NiA)Bsinθ . = μBsinθn=(Bi)/(Vle) charge cariers per unit volumeV=Ed (Hall pot. Diff)B= μoiΦCenter of arc of 4πR radius Φ radiansB= ( μoir )inside straight (2πR2) wireSuppose the current charging a capacitor is kept constant. Which graph below correctly givesthe potential difference V across the capacitor as a function of time? A hollow cylindrical conductor (inner radius = a, outer radius = b) carries a current i uniformly
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