Created by StemPy LabThe mains is turned into direct current, once by a half-wave rectifier and once by a full-wave rectifier. The frequency of the ripple (the repeating bumps) in the output is
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← A parallel-plate capacitor has plates of area 0.01 m², 2 mm apart. A slab of dielectric constant 4 and thickness 1 mm, as large as the plates, is placed between them. Take ε₀ = 8.85 × 10⁻¹² F/m. The capacitance is closest toA current of 10 A flows in a long straight wire. Moving parallel to the wire at 1.0 × 10⁶ m/s, in the same direction as the current, an electron passes at a distance of 5 cm from it, as shown in the figure. The magnetic force on the electron is →
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