When a voltage difference is applied to a piece of metal wire, a 2.2-ma current flows through it. if this metal wire is now replaced with a silver wire having twice the diameter of the original wire, how much current will flow through the silver wire? the lengths of both wires are the same, and the voltage difference remains unchanged
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Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
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An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 26 mm and 103 mm. the electric potential of the inner conductor with respect to the outer conductor is - 700 v (k = 1/4πε 0 = 8.99 × 109 n · m2/c2) the energy stored in a 1.0-m length of this capacitor is closest to
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When a voltage difference is applied to a piece of metal wire, a 2.2-ma current flows through it. if...
Mathematics, 06.03.2020 21:21