Created by StemPy LabIn which unit is the reactance of a coil or of a capacitor measured?
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← Two smooth upright rails, 0.22 m apart, end in a capacitor of 3.0 F and have no resistor. A field of 0.55 T is at right angles to the plane of the rails. A bar of mass 30 g slides down across them, from rest. What is the acceleration of the bar? Take g = 9.8 m/s².A lamp is marked for an AC supply of 90 V rms. What is the peak value of the voltage across it? →
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