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An electron circles at a speed of 14700 m/s in a radius of 2.5 cm in a solenoid. The magnetic field of the solenoid is perpendicular to the plane of the electron's path. The charge on an electron is 1.60218×10^-19C and its mass is 9.10939×10^-31kg. Find the strength of the magnetic field in-side the solenoid. Answer in units of T. Find the current in the solenoid if it has 27.2 turns/cm. Answer in units of mA.

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