Q1 a thin horizontal copper rod is 159347 m long and has a, Ask an Expert

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Q1. A thin, horizontal copper rod is 1.59347 m long and has a mass of 33.2472 g.

The acceleration of gravity is 9.8 m/s2.

What is the minimum current in the rod that will cause it to float in the horizontal magnetic field of 1.70872 T?

Q2. When a potential difference of 166 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of 32.0 nC/cm2. What is the spacing between plates?

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Category:- Physics
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