Two wires are identical except that one is silver
Two wires are identical, except that one is silver (resistivity = 1.59×10-8 ?·m) and the other is platinum (resistivity = 1.06×10-7 ?·m). The silver wire has resistance of 1.56 m?. What is the resistance of the platinum wire?
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two straight wires run parallel to each other each carrying a current in the direction shown below the two wires
a diffraction grating with 280 lines per mm is used in an experiment to study the visible spectrum of a gas discharge
a 300102-ev electron and a 100102-ev electron trapped in a uniform magnetic field move in circular paths in a plane
in a double-slit experiment the second-order bright fringe is observed at an angle of 062deg if the slit separation is
two wires are identical except that one is silver resistivity 159times10-8 middotm and the other is platinum
a electron enters a magnetic field of 03 t at an angle of 45 degrees and with a speed of 5 e5 ms find the force on the
a pipe 00178 m in diameter and 016 m long can transfer 3726 j of heat per second with a temperature difference across
an open train car with a mass of 2130 kg coasts along a horizontal track at the speed 241 ms the car passes under a
a vacuum cleaner is connected to a 120v socket and uses 30 a when the back emf generated by the electric motor is 72
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